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Ticketed Event
Ticketed Event
In Person Only
In Person Only
Location: Hilton San Diego Bayfront
Location: Hilton San Diego Bayfront

Abstracts

Abstracts

  • Tuesday, October 3, 2023
  • 8:00 AM – 8:07 AM PT
    213 - Polymetastatic Recurrence-Free Survival in Patients with Repeat Oligometastases on the SABR-5 Trial
    Location: Room 4

    Presenter: Wei Liu, MD – BC Cancer - Vancouver Centre

  • 8:10 AM – 8:17 AM PT
    214 - Multi-Institutional Validation of the Recursive Partitioning Analysis for Overall Survival in Patients Undergoing Spine Radiosurgery for Spine Metastasis
    Location: Room 4

    Presenter: Sami Koro, MD – University of Iowa Hospitals and Clinics

  • 8:20 AM – 8:27 AM PT
    215 - Predictors of Hepatotoxicity in Patients with Metastatic Solid Tumors Treated with Immune Checkpoint Inhibition (ICI) and Liver-Directed SBRT
    Location: Room 4

    Presenter: Connor Lynch, MD – University of Chicago

  • 8:30 AM – 8:37 AM PT
    216 - Prompt Pain Relief: Advanced Practice Provider Led Rapid Access Palliative Radiotherapy Clinic
    Location: Room 4

    Presenter: Michelle Wear, MSN – Mayo Clinic Florida

  • 8:40 AM – 8:47 AM PT
    217 - Provider Perceptions of a Novel Inpatient Co-Rounding Model Integrating Medical Oncology, Neuro-Oncology, and Radiation Oncology for the Care of Patients with Advanced Cancer
    Location: Room 4

    Presenter: Lisa Ni, MD – University of California San Francisco

  • 8:50 AM – 9:00 AM PT
    Discussant
    Location: Room 4

    Discussant: Lauren Hertan, MD, MS – Beth Israel Deaconess Medical Center

  • 8:00 AM – 8:07 AM PT
    208 - 30 Gy vs. 45 Gy Consolidative Thoracic Radiation (cTRT) for Extensive Stage Small Cell Lung Cancer (ES-SCLC): A Multicenter, Randomized, Phase 3 Trial
    Location: Room 6 C/F

    Presenter: Nan Bi, MD, PhD – Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College

  • 8:10 AM – 8:17 AM PT
    209 - Thoracic Radiotherapy Improves the Outcomes of Extensive Stage Small-Cell Lung Cancer Patients Receiving First-Line Immunotherapy: A Multicenter Retrospective Analysis
    Location: Room 6 C/F

    Presenter: Linlin Wang, MD, PhD – Shandong Cancer Hospital and Institute

  • 8:20 AM – 8:27 AM PT
    210 - A Multicentered, Randomized Phase ? Study of Definitive vs. Palliative Radiotherapy to Primary Tumor for Stage ? Non-Small Cell Lung Cancer with Less than Three Metastatic Organs: CSWOG China
    Location: Room 6 C/F

    Presenter: Geng Yichao, MD – The Affiliated Hospital of Guizhou Medical University

  • 8:30 AM – 8:37 AM PT
    211 - Stereotactic Ablative Radiotherapy for Oligo-Progressive Cancers: Results of the Randomized Phase II STOP Trial
    Location: Room 6 C/F

    Presenter: Devin Schellenberg, MD, BS – BC Cancer - Vancouver Centre

  • 8:40 AM – 8:45 AM PT
    212 - Safety and Efficacy Analysis of Patients with Extensive-Stage Small Cell Lung Cancer (ES-SCLC) Treated with SHR-1316 Plus Chemotherapy and Sequential Chest Radiotherapy as First-Line Therapy from a Ph
    Location: Room 6 C/F

    Presenter: Linlin Wang, MD, PhD – Shandong Cancer Hospital and Institute

  • 8:48 AM – 8:58 AM PT
    Discussant
    Location: Room 6 C/F

    Discussant: Dawn Owen, MD, PhD – Mayo Clinic Rochester

  • 8:00 AM – 8:07 AM PT
    202 - Multitask AI Models for the Joint Prediction of Overall Survival, Progression-Free Survival, and Death without Progression as a Composite Endpoint for LA-NSCLC Patients Treated with Chemoradiotherapy
    Location: Room 2

    Presenter: Sang Ho Lee, PhD – University of Pennsylvania

  • 8:10 AM – 8:17 AM PT
    203 - Deployment of a Deep Learning Automated Cardiac Sub-Structure Contouring Algorithm to Measure Coronary Dose Exposure Trends in Lung Cancer Radiation Therapy
    Location: Room 2

    Presenter: Christian Guthier, PhD, MS – Brigham and Womens Hopsital

  • 8:20 AM – 8:27 AM PT
    204 - Dynamic Prediction of Toxicities in Head and Neck Cancer Radiotherapy by 3D Convolutional Neural Network Using Daily Cone-Beam CTs
    Location: Room 2

    Presenter: Chulmin Bang, MD – Centre Hospitalier de l'Universite de Montreal (CHUM)

  • 8:30 AM – 8:37 AM PT
    205 - Deep Learning for Automatic Prediction of Lymph Node Station Metastasis in Esophageal Cancer Patients from Contrast-Enhanced CT
    Location: Room 2

    Presenter: Qifeng Wang, MD, PhD – Sichuan Cancer Hospital and Institute

  • 8:40 AM – 8:47 AM PT
    206 - Machine Parameter Optimization of a Clinical Linear Accelerator Using Deep Reinforcement Learning for Automatic Generation of Deliverable Prostate VMAT Plans
    Location: Room 2

    Presenter: William Hrinivich, PhD – Johns Hopkins University

  • 8:50 AM – 8:57 AM PT
    207 - Clinico-Genomics Model to Predict Survival in Non-Metastatic Breast Cancer: Comparing the Performance of Machine Learning Models
    Location: Room 2

    Presenter: Adrianna Cueto-Marquez, MD, BS – Rush University Medical Center

  • 8:05 AM – 8:10 AM PT
    1278 - Real-Time 3D Liver Tumor Localization via Combined Optical Surface Imaging and an X-Ray Projection from Arbitrary Imaging Angles
    Location: Room 8

    Presenter: Hua-Chieh Shao, PhD – University of Texas Southwestern Medical Center

  • 8:10 AM – 8:15 AM PT
    1280 - Development of a Filtimator for Pediatric Image-Guided Radiation Therapy with Low Imaging Dose
    Location: Room 8

    Presenter: Soon Huh, PhD – University of Florida Proton Therapy Institute

  • 8:15 AM – 8:20 AM PT
    1282 - Real Time 4D-Cone Beam CT via Single-Angle Projection with Dual Attention Mechanism
    Location: Room 8

    Presenter: Jun Dang, PhD – Cancer Hospital Chinese Academy of Medical Science, Shenzhen Center

  • 8:20 AM – 8:25 AM PT
    1284 - SEA-Net: Structure-Enhanced Attention Network for Limited-Angle CBCT Reconstruction of Clinical Projection Data
    Location: Room 8

    Presenter: Hao Gao, PhD – University of Kansas Medical Center

  • 8:25 AM – 8:30 AM PT
    1286 - Rapid Unpaired CBCT-based Synthetic CT for CBCT-guided Adaptive Radiotherapy
    Location: Room 8

    Presenter: Jacob Wynne, MD – Emory University School of Medicine

  • 8:30 AM – 8:35 AM PT
    1288 - Liver Dome Gating Using kV Triggered Imaging Reduces Dosimetric Error Caused by Breath Hold Variability for Liver Stereotactic Body Radiation Therapy
    Location: Room 8

    Presenter: Bingqi Guo, PhD – Cleveland Clinic Taussig Cancer Center

  • 12:50 PM – 12:55 PM PT
    1084 - Bacterial Composition and Diversity in the Cervical Tumor Microbiome are Closely Associated with HPV Genotype in a Large, International Patient Cohort
    Location: Room 7

    Presenter: Molly El Alam, MPH – MD Anderson Cancer Center

  • 12:55 PM – 1:00 PM PT
    1086 - Postoperative Radiotherapy to Abdominal and Pelvic Lymphatic Drainage Area for Stage III Epithelial Ovarian Cancer: A Sharp Tool to Prolong Disease-Free Survival Time
    Location: Room 7

    Presenter: Jing Shen, MD – Chinese Academy of Medical Sciences and Peking Union Medical College

  • 1:00 PM – 1:05 PM PT
    1088 - Genomic Characterization of Cervical Tumors Driven by Rare High-Risk HPV Subtypes Utilizing a Deep Learning Framework
    Location: Room 7

    Presenter: Michael Waters, MD, PhD – Washington University St. Louis

  • 1:10 PM – 1:15 PM PT
    1092 - Machine-Learning Model of Pre-Treatment MRI Accurately Predicts Progression Following Cervical Cancer Radiotherapy
    Location: Room 7

    Presenter: Jeffrey Wang, BS – George Washington University School of Medicine

  • 1:15 PM – 1:22 PM PT
    1094 - The Prognostic Impact of Substantial Lymphovascular Space Invasion in Women with FIGO Stage I Uterine Endometrioid Carcinoma with Pathologically Negative Nodal Evaluation
    Location: Room 7

    Presenter: Aseem Bhatnagar, MD – Henry Ford Hospital

  • 12:45 PM – 12:52 PM PT
    224 - Intravoxel Incoherent Motion (IVIM) Magnetic Resonance Imaging (MRI) for Assessment of Treatment Response in Unresectable Locally Advanced Pancreatic Ductal Adenocarcinoma (PDAC)
    Location: Room 29

    Presenter: Lucas McCullum, BS – MD Anderson Cancer Center

  • 12:55 PM – 1:02 PM PT
    225 - Differential Response in Quantitative MRI Parameters Detected in Head and Neck Cancer Patients Treated with Concurrent Immunotherapy during Hypo-Fractionated MR-gRT
    Location: Room 29

    Presenter: Ryan Bonate, BS – Medical College of Wisconsin

  • 1:05 PM – 1:12 PM PT
    226 - Pattern Analysis of Daily Lesion Volume Trajectories for Early Prediction of Glioblastoma Progression During MR-Linac Radiotherapy
    Location: Room 29

    Presenter: Kaylie Cullison, BS – University of Miami Sylvester Comprehensive Cancer Center

  • 1:15 PM – 1:22 PM PT
    227 - Fraction Size, Total Dose and Respiratory Control Impact Local Control in Adrenal SBRT
    Location: Room 29

    Presenter: Ory Haisraely, MD, MPH – Tel Hashomer Hospital

  • 1:25 PM – 1:32 PM PT
    228 - Tumor Voxel Dose-Response Matrix Prediction Using Deep Learning
    Location: Room 29

    Presenter: Shupeng Chen, PhD – Corewell Health William Beaumont University Hospital

  • 1:35 PM – 1:42 PM PT
    229 - Image Derived Estimates of Fibrosis Using Ultrashort Echo Time MRI in Gynecologic Cancer
    Location: Room 29

    Presenter: Khadija Sheikh, PhD, MS – Johns Hopkins University School of Medicine

  • 1:45 PM – 1:52 PM PT
    230 - Comprehensive Quality of Life Report from a Prospective Clinical Trial of 4DCT-Ventilation Functional Lung Avoidance Radiation Therapy
    Location: Room 29

    Presenter: Joseph Lombardo, DO – MD Anderson Cancer Center at Cooper

  • 12:45 PM – 12:52 PM PT
    218 - Management and Outcomes of Hodgkin Lymphoma Patients Who Achieve Partial Metabolic Response on PET Scans Post-Chemotherapy
    Location: Room 1

    Presenter: Donna Liao, MD – University of Toronto

  • 12:55 PM – 1:02 PM PT
    219 - Quality Analysis of Radiation Therapy for Hodgkin Lymphoma in the HD 16/17 Trials: A Final Report By the Reference Radiation Oncology Panel of the German Hodgkin Study Group
    Location: Room 1

    Presenter: Michael Oertel, MD – University Hospital of Muenster

  • 1:05 PM – 1:12 PM PT
    220 - Radiotherapy Utilization and Outcomes on a Contemporary Trial for Pediatric High-Risk Hodgkin Lymphoma Study
    Location: Room 1

    Presenter: Bradford Hoppe, MD, FASTRO, MPH – Mayo Clinic Florida

  • 1:15 PM – 1:22 PM PT
    221 - Radiotherapy in Young, High-Risk Patients with Aggressive B-cell Lymphoma: Long-Term Results from the Open-Label, Randomized, Phase 3 R-MegaCHOEP Trial
    Location: Room 1

    Presenter: Michael Oertel, MD – University Hospital of Muenster

  • 1:25 PM – 1:32 PM PT
    222 - Association of Overall Survival Benefit Profile of Radiotherapy with Progression-Free Survival after Chemotherapy for Diffuse Large B-Cell Lymphoma
    Location: Room 1

    Presenter: Jingnan Wang, MD – Cancer Hospital Chinese Academy of Medical Sciences

  • 1:35 PM – 1:42 PM PT
    223 - Radiation Therapy in the Management of Primary Gastric Diffuse Large B-Cell Lymphomas: Long-Term Outcomes of 82 Patients
    Location: Room 1

    Presenter: Beatrice Fregonese, MPH – Memorial Sloan Kettering Cancer Center

  • 1:45 PM – 1:55 PM PT
    Discussant
    Location: Room 1

    Discussant: Richard Hoppe, MD, FASTRO – Stanford University

  • 12:50 PM – 12:55 PM PT
    1096 - Impact of Consolidative Radiation on Overall and Progression Free Survival in Pediatric, Adolescent and Young Adult Metastatic Sarcoma
    Location: Room 8

    Presenter: Leslie Chang, MD – Johns Hopkins University

  • 12:55 PM – 1:00 PM PT
    1098 - The Role of Whole Abdomen and Pelvis Radiation Therapy in Desmoplastic Small Round Cell Tumor
    Location: Room 8

    Presenter: Michael Young, MD – UNC Hospitals

  • 1:00 PM – 1:05 PM PT
    1100 - Association between Radiation Dose and Local Failure in Recurrent High-Risk Neuroblastoma
    Location: Room 8

    Presenter: Christopher Weil, MD, MS – MD Anderson Cancer Center

  • 1:05 PM – 1:10 PM PT
    1102 - Proton Therapy Mediates Dose Reductions to Critical Brain Organs-at-Risk which are Associated with Better Cognition in Children with Medulloblastoma
    Location: Room 8

    Presenter: Julianna Sienna, MD, MS – Juravinski Cancer Centre

  • 1:10 PM – 1:15 PM PT
    1104 - Memantine for Pediatric Patients Receiving Cranial Irradiation: A Pilot Study
    Location: Room 8

    Presenter: Elizabeth McKone, MD – Mayo Clinic Rochester

  • 1:15 PM – 1:20 PM PT
    1106 - Pancreas: An Organ-at-Risk to Consider in Future Pediatric Abdominal Radiotherapy
    Location: Room 8

    Presenter: Sabrina Taylor, BS – University College London

  • 2:30 PM – 2:37 PM PT
    231 - Involved Site Radiotherapy in HPV Positive Oropharyngeal Cancer: Patterns of Failure Analysis Across Prospective De-Escalation Trials
    Location: Room 1

    Presenter: Zaid Iftekaruddin, MD – University of Chicago Medicine

  • 2:40 PM – 2:47 PM PT
    232 - A Phase II Trial Evaluating Rapid Mid-Treatment Nodal Shrinkage to Select for Adaptive Deescalation in p16+ Oropharyngeal Cancer Patients Undergoing Definitive Chemoradiation
    Location: Room 1

    Presenter: Joseph Kim, MD – NYU Langone Medical Center

  • 2:50 PM – 2:57 PM PT
    233 - Effectiveness of Cisplatin in P16+ Oropharyngeal Cancer According to Relative Risk for Cancer Events: Ancillary Analysis of RTOG 1016
    Location: Room 1

    Presenter: Loren Mell, MD, FASTRO – University of California, San Diego

  • 2:50 PM – 2:57 PM PT
    233 - Effectiveness of Cisplatin in P16+ Oropharyngeal Cancer According to Relative Risk for Cancer Events: Ancillary Analysis of RTOG 1016
    Location: Room 1

    Presenter: Ryan Morse, MD – University of North Carolina at Chapel Hill

  • 3:00 PM – 3:07 PM PT
    234 - Local Cost-Effectiveness of Nasopharyngeal Carcinoma Screening Strategies in Southern China: Secondary Analysis of the PRO-NPC-001 Cluster-Randomized Trial
    Location: Room 1

    Presenter: Jacob Miller, MD – Cleveland Clinic Foundation

  • 3:10 PM – 3:17 PM PT
    235 - Prospective Efficacy of Two Cycles Toripalimab Plus Induction Chemotherapy in T4 or N3 Locoregionally Advanced Nasopharyngeal Carcinoma: A Retrospective and Mechanistic Study
    Location: Room 1

    Presenter: Fengming Lan, MD – Cancer Hospital Chinese Academy of Medical Science, Shenzhen Center

  • 3:20 PM – 3:30 PM PT
    Discussant
    Location: Room 1

    Discussant: Annie Chan, MD – Massachusetts General Hospital

  • 2:35 PM – 2:40 PM PT
    1108 - The Presence of Extensive Lymphovascular Invasion (LVI) is Associated with Higher Risk of Recurrence in Curatively Treated Breast Cancer Patients
    Location: Room 7

    Presenter: Olufela Koleoso, MS, BS – Philadelphia College of Osteopathic Medicine

  • 2:40 PM – 2:45 PM PT
    1110 - 5-Year Results from a Prospective Phase II Trial of Ten-Fractions Hypofractionated Radiotherapy in Locally Advanced Breast Cancer
    Location: Room 7

    Presenter: Silvia Takanen, MD – Regina Elena National Cancer Institute

  • 2:45 PM – 2:50 PM PT
    1112 - Addition of Metastasis-Directed Therapy to Standard of Care Systemic Therapy for Oligometastatic Breast Cancer (EXTEND): A Multicenter, Randomized Phase II Trial
    Location: Room 7

    Presenter: Jay Paul Reddy, MD, PhD – MD Anderson Cancer Center

  • 2:50 PM – 2:55 PM PT
    1114 - First Results of the Primary Outcome of a Phase II Prospective Clinical Trial to Assess the Feasibility of Preoperative Radiation Boost in Breast Cancer Patients
    Location: Room 7

    Presenter: Zeinab Abou Yehia, MD – Associates in Radiation Medicine-ARM Oncology

  • 2:55 PM – 3:00 PM PT
    1116 - Single-Fraction Pre-Operative Stereotactic Radiosurgery for Early-Stage Breast Cancer: Pathological Findings
    Location: Room 7

    Presenter: Marco Trovo

  • 3:00 PM – 3:05 PM PT
    1118 - Factors Associated with Cardiac Radiation Dose Reduction Following Hypofractionated Radiation Therapy for Localized, Left-Sided Breast Cancer in a Large Statewide Quality Consortium
    Location: Room 7

    Presenter: Daniel Herr, MD, PhD – University of Michigan

  • 2:33 PM – 2:40 PM PT
    243 - Results of a Phase I Trial of Dose Escalation for Preoperative Stereotactic Radiosurgery for Patients with Large Brain Metastases
    Location: Room 6 C/F

    Presenter: Kailin Yang, MD, PhD – Cleveland Clinic Taussig Cancer Center

  • 2:43 PM – 2:50 PM PT
    244 - Radiotherapy for Metastatic Spinal Cord Compression with Increased Doses: Final Results of the RAMSES-01 Trial
    Location: Room 6 C/F

    Presenter: Dirk Rades, MD, FASTRO – University of Luebeck

  • 2:53 PM – 3:00 PM PT
    245 - Results of a Multi-institutional Randomized Phase 3 Trial of Parotid-Sparing Whole Brain Radiotherapy
    Location: Room 6 C/F

    Presenter: Kyle Wang, MD – University of Cincinnati

  • 3:03 PM – 3:10 PM PT
    246 - Evidence-Based Multivariate Normal Tissue Complication Probability (NTCP) Study of Domain-Specific Cognitive Decline after Partial Brain RT
    Location: Room 6 C/F

    Presenter: Austin Hopper, MD – UCSD Radiation Medicine and Applied Sciences

  • 3:13 PM – 3:20 PM PT
    247 - Genomic Predictors of Leptomeningeal Disease Development among Patients with Brain Metastases
    Location: Room 6 C/F

    Presenter: Nayan Lamba, MD – Harvard Radiation Oncology Program

  • 3:23 PM – 3:28 PM PT
    1262 - Stereotactic Radiotherapy or Whole Brain Radiotherapy Combined with Pyrotinib and Capecitabine in HER2-Positive Advanced Breast Cancer Patients with Brain Metastases (BROPTIMA): A Prospective, Phase I
    Location: Room 6 C/F

    Presenter: Wei Shi, MD, PhD – Fudan University Shanghai Cancer Center

  • 3:28 PM – 3:38 PM PT
    Discussant
    Location: Room 6 C/F

    Discussant: Stuart Burri, MD – Levine Cancer Institute

  • 2:30 PM – 2:37 PM PT
    236 - Neoantigen Cancer Vaccine Improves the Therapeutic Efficacy of Radiotherapy in Immunologically Cold Microsatellite-Stable Colorectal Cancer
    Location: Room 2

    Presenter: K. S. Clifford Chao, MD – China Medical University Hospital

  • 2:40 PM – 2:47 PM PT
    237 - Non-Redundant Mechanisms of Immune Resistance to Radiotherapy Converge on Innate Immunity
    Location: Room 2

    Presenter: Anthony Nguyen, MD, PhD – Cedars-Sinai Medical Center

  • 2:50 PM – 2:57 PM PT
    238 - The Effect of PARP Inhibitor Radiosensitization on the mRNA Translational Regulation of T Cell Chemokines

    Presenter: Xiaozhuo Ran, PhD – University Health Network

  • 2:50 PM – 2:57 PM PT
    238 - The Effect of PARP Inhibitor Radiosensitization on the mRNA Translational Regulation of T Cell Chemokines
    Location: Room 2

    Presenter: Benjamin Lok, MD – Princess Margaret Cancer Centre

  • 3:00 PM – 3:07 PM PT
    239 - Radiotherapy Shows Synergistic Anti-Tumor Efficacy with Treg Depletion by Reprogramming the Immune-Excluded Tumor Microenvironment
    Location: Room 2

    Presenter: Sophia Pfister, PhD – Varian Medical Systems, A Siemens Healthineers Company

  • 3:10 PM – 3:17 PM PT
    240 - Blocking ILT4 Overcomes Radio-Immunotherapy Treatment Resistance by Reversing HFRT Induced CXCL1-CXCR2 Axis Activation and Tumor-Associated Macrophages Immunosuppression
    Location: Room 2

    Presenter: Xiaozheng Chen, PhD

  • 3:30 PM – 3:40 PM PT
    Discussant
    Location: Room 2

    Discussant: Zachary Morris, MD, PhD – University of Wisconsin Hospitals and Clinics

  • 2:30 PM – 3:45 PM PT
    2972 - Diagnostic Performance of 18F-rhPSMA-7.3 PET in Men with Newly Diagnosed High-Risk Prostate Cancer and Negative Conventional Imaging
    Location: Hall B1

    Presenter: Gary Ulaner, MD, PhD

  • 2:30 PM – 2:40 PM PT
    LBA 08 - Acute Toxicity and Efficiency Outcomes in the DARTBOARD Randomized Trial of Daily Adaptive Radiotherapy for Head and Neck Squamous Cell Carcinoma
    Location: Room 6 B

    Presenter: David Sher, MD, MPH – University of Texas Southwestern Medical Center

  • 2:40 PM – 2:50 PM PT
    LBA 09 - Stereotactic Ablative Body Radiotherapy (SABR) for Oligoprogressive ER-Positive Breast Cancer (AVATAR): A Phase II Prospective Multicenter Trial
    Location: Room 6 B

    Presenter: Steven David, MD, MBBS – Peter MacCallum Cancer Centre

  • 2:50 PM – 3:00 PM PT
    LBA 10 - Partial Breast Radiotherapy for Women with Early Breast Cancer: 10-Year Outcomes from IMPORT LOW (CRUK/06/003)
    Location: Room 6 B

    Presenter: Anna Kirby, MD – Royal Marsden NHS Foundation Trust

  • 3:00 PM – 3:10 PM PT
    LBA 11 - Early Results of a Phase I Pre-Operative Single Fraction Ablative Trial for Early Stage Breast Cancer
    Location: Room 6 B

    Presenter: Asal Rahimi, MD, MS – University of Texas Southwestern Medical Center

  • 3:10 PM – 3:20 PM PT
    LBA 12 - Stereotactic Radiosurgery for 1-10 Brain Metastases avoids Whole-Brain Radiotherapy - Results of the CYBER-SPACE Randomized Phase 2 Trial
    Location: Room 6 B

    Presenter: Rami El Shafie, MD – University Medical Center Gottingen (UMG)

  • 3:20 PM – 3:30 PM PT
    LBA 13 - Hypofractionated Stereotactic Radiotherapy (HFSRT) of the Resection Cavity versus Whole-Brain Radiotherapy (WBRT) following Brain Metastasis Resection - Results of the ESTRON Randomized Phase 2 Trial
    Location: Room 6 B

    Presenter: Rami El Shafie, MD – University Medical Center Gottingen (UMG)

  • 3:30 PM – 3:40 PM PT
    LBA 14 - Diagnostic CT-Enabled Radiation Therapy (DART): Results of a Randomized Trial for Palliative Radiation Therapy
    Location: Room 6 B

    Presenter: Melissa O'Neil, MRT(T) – London Regional Cancer Program

  • 4:00 PM – 4:07 PM PT
    248 - Outcomes Following Radiation Therapy (RT) for Very Young Age CNS Embryonal Tumors on COG ACNS0334 According to Molecular-Confirmed Diagnosis
    Location: Room 2

    Presenter: Katherine Schumacher, MD – SUNY Upstate Radiation Oncology

  • 4:10 PM – 4:17 PM PT
    249 - Long Term Clinical Outcome and Quality of Life of Children, Adolescents and Young Adults Treated with Pencil Beam Scanning Proton Therapy for Rhabdomyosarcoma
    Location: Room 2

    Presenter: Dominic Leiser, MD – Paul Scherrer Institute

  • 4:20 PM – 4:27 PM PT
    250 - High-Dose-Rate Brachytherapy for Vaginal Rhabdomyosarcoma (RMS): Lessons Learned at a Single Institution
    Location: Room 2

    Presenter: Kaitlyn Lapen, MD – Memorial Sloan Kettering Cancer Center

  • 4:30 PM – 4:37 PM PT
    251 - Dose-Effect of Proton and Photon Craniospinal Irradiation on Vertebral Growth in Pediatric Patients with Medulloblastoma
    Location: Room 2

    Presenter: Carol Oliveira, MD, PhD – St. Jude Children's Research Hospital

  • 4:40 PM – 4:47 PM PT
    252 - Intraoperative Radiation Therapy for Pediatric Patients: A 25 Year Experience
    Location: Room 2

    Presenter: Brianna Conte, BS – University of Miami Miller School of Medicine

  • 4:50 PM – 5:00 PM PT
    Discussant
    Location: Room 2

    Discussant: Susan Hiniker, MD – Stanford University

  • 4:05 PM – 4:10 PM PT
    1132 - Proton Single-Energy Bragg-Peak FLASH Using Clinical Systems Can Achieve IMPT-Equivalent Plan Quality for Breast and Prostate Cancers
    Location: Room 7

    Presenter: Tyler Kaulfers, BS – Hofstra University

  • 4:10 PM – 4:15 PM PT
    1134 - Initial Experience with the Commercial Electron FLASH Research Extension
    Location: Room 7

    Presenter: Kyle Gallagher, PhD – University of Nebraska Medical Center

  • 4:15 PM – 4:20 PM PT
    1136 - 3D Dosimetry for Electron Flash Radiotherapy: Assessment of Radiochromic Dosimeter Phantoms with Optical CT Scanning as a 3D Dosimetry System
    Location: Room 7

    Presenter: Carl Elliston, MS, DABR – Columbia University Irving Medical Center

  • 4:20 PM – 4:25 PM PT
    1138 - Proton LET Optimization Via Iterative Convex Relaxation Method
    Location: Room 7

    Presenter: Wangyao Li, PhD – University of Kansas Medical Center

  • 4:25 PM – 4:30 PM PT
    1140 - Clinical Characterization of a Novel Robotic IORT Unit
    Location: Room 7

    Presenter: Thomas Niedermayer, PhD – Stanford Advanced Medicine Center

  • 4:30 PM – 4:35 PM PT
    1142 - Efficacy of Curvilinear Needle Implantation for Prostate HDR Brachytherapy
    Location: Room 7

    Presenter: Rihan Podder, BS – University of Florida

  • 4:05 PM – 4:10 PM PT
    1120 - Sema3C Signaling is an Alternative Activator of the Canonical WNT Pathway in Glioblastoma
    Location: Room 8

    Presenter: Jennifer Yu, MD, PhD – Cleveland Clinic Taussig Cancer Center

  • 4:10 PM – 4:15 PM PT
    1122 - Tumor Resistance to Fractionated Radiotherapy in Obese Mice
    Location: Room 8

    Presenter: Logan Vick, BA – University of California, Davis

  • 4:15 PM – 4:20 PM PT
    1124 - IKBKE Promotes Radioresistance of Glioblastoma through AKT/FOXO3a Pathway
    Location: Room 8

    Presenter: Jie Lu, PhD

  • 4:20 PM – 4:25 PM PT
    1126 - RAP80 Phase Separation at DNA Double-Strand Break Promotes BRCA1 Recruitment and Tumor Radio-Resistance
    Location: Room 8

    Presenter: Xinjuan Fan, MD, PhD – Sixth Affiliated Hospital, Sun Yat-sen University

  • 4:25 PM – 4:30 PM PT
    1128 - Mitotic Errors Increase Radiation Sensitivity in Multiple Cancer Cell Types and in Laryngeal Cancer Patients
    Location: Room 8

    Presenter: Pippa Cosper, MD, PhD – University of Wisconsin

  • 4:30 PM – 4:35 PM PT
    1130 - Novel Role of Glycogen Synthase Kinase-3ß in Determining Cancer Cell Response to Genotoxic Stress through Regulation of 53BP1 Function
    Location: Room 8

    Presenter: Scarlett Acklin, MD – Duke University

  • 4:05 PM – 4:10 PM PT
    1144 - Leveraging a Real-Time Machine Learning Platform to Personalize Quality Assurance at a Large Multi-Site Oncology Practice
    Location: Room 4

    Presenter: William Lindsay, MD, PhD – Oncora Medical LLC

  • 4:10 PM – 4:15 PM PT
    1146 - Natural Language Processing Identification of Symptoms in Emergency Department Visits in Patients Receiving Radiation
    Location: Room 4

    Presenter: Alexander Qian, MD – University of California San Francisco

  • 4:15 PM – 4:20 PM PT
    1148 - Clinical Usability-Oriented Automatic Contour Quality Evaluation for Deep Learning Auto-Segmentation
    Location: Room 4

    Presenter: Ying Zhang, PhD – Medical College of Wisconsin

  • 4:20 PM – 4:25 PM PT
    1150 - Mitigation of IMRT/SBRT Treatment Planning Errors on the First Biology-Guided Radiotherapy System Using FMEA within Six Sigma Framework
    Location: Room 4

    Presenter: Eric Simiele, PhD – University of Alabama at Birmingham

  • 4:25 PM – 4:30 PM PT
    1152 - Quality and Safety Considerations in Image Guided Radiation Therapy: An ASTRO Safety White Paper Update
    Location: Room 4

    Presenter: Terence Sio, MD, MS – Mayo Clinic

  • 4:30 PM – 4:35 PM PT
    1154 - Assessing the Sustainability of Initiatives Aimed to Enhance Patient Safety Culture: A > 10-year Experience with Multifaceted Interventions
    Location: Room 4

    Presenter: Ashley Weiner, MD, PhD – UNC School of Medicine

  • 4:05 PM – 4:10 PM PT
    1156 - Meta-Analysis of Five Fraction Preoperative Radiotherapy for Soft Tissue Sarcoma
    Location: Room 5

    Presenter: Zachary Mayo, MD – Cleveland Clinic Foundation

  • 4:10 PM – 4:15 PM PT
    1158 - Initial Results of a Phase II Trial of Hypofractionated Radiation Therapy for Inoperable Soft Tissue Sarcoma
    Location: Room 5

    Presenter: Bradley Eckelmann, MD, PhD – University of Wisconsin Hospitals and Clinics

  • 4:15 PM – 4:20 PM PT
    1160 - Hypofractionated Accelerated Radiation Dose-Painting (HARD) Improves Local Control in Unresected Soft-Tissue Sarcoma
    Location: Room 5

    Presenter: John Michael Bryant, MD – Moffitt Cancer Center

  • 4:20 PM – 4:25 PM PT
    1162 - Pre-Operative Radiotherapy in STS: Does Downsizing Matter?
    Location: Room 5

    Presenter: Paulina Gutkin, BS – Medical College of Wisconsin Froedtert Hospital

  • 4:25 PM – 4:30 PM PT
    1164 - Dawn of Staging for Head and Neck Soft Tissue Sarcoma: Validation of the Novel 8th Edition AJCC T Classification and Proposed Stage Groupings
    Location: Room 5

    Presenter: Rohan Salunkhe, MD, MBBS – Princess Margaret Cancer Center, University Health Network

  • 4:30 PM – 4:35 PM PT
    1166 - Outcomes for Patients with Head and Neck Sarcoma Treated Curatively with Radiation Therapy and Surgery
    Location: Room 5

    Presenter: Alison Yoder, MD, MPH – MD Anderson Cancer Center

  • 4:35 PM – 4:40 PM PT
    1168 - Patterns of local recurrence and risk of skin recurrence in soft tissue sarcomas after surgical resection.
    Location: Room 5

    Presenter: Agnes Ewongwo, MD – Stanford University

  • 4:00 PM – 5:00 PM PT
    Hypofractionated Radiotherapy for Hematological Malignancies during COVID-19 Pandemic and Beyond

    Presenter: Febin Antony, MD, MBBS – Amala Institute of Medical Sciences, Thrissur

  • 4:00 PM – 5:00 PM PT
    2992 - Development of Population-Based Pediatric Computational Phantoms for Radiotherapy Applications
    Location: Hall B1

    Presenter: Reem Ahmad, PhD – University College London

  • 5:15 PM – 5:22 PM PT
    259 - FORMULA-509: A Multicenter Randomized Trial of Post-Operative Salvage Radiotherapy (SRT) and 6 Months of GnRH Agonist with Either Bicalutamide or Abiraterone Acetate/Prednisone (AAP) and Apalutamide (
    Location: Room 6 B

    Presenter: Paul Nguyen, MD, FASTRO – Brigham and Women's Hospital/Dana-Farber

  • 5:25 PM – 5:32 PM PT
    260 - Final Results from a Prospective Randomized Pilot Trial of Stereotactic Body Radiation Therapy vs. Radiofrequency Ablation for the Management of Small Renal Masses (RADSTER)
    Location: Room 6 B

    Presenter: Anand Swaminath, MD – Juravinski Cancer Centre

  • 5:35 PM – 5:42 PM PT
    261 - Impact of Testosterone Recovery on Clinical Outcomes of Patients Treated with Salvage Radiotherapy and Androgen Suppression: A Secondary Analysis of the NRG/RTOG 0534 Spport Phase 3 Trial
    Location: Room 6 B

    Presenter: Alan Dal Pra, MD – University of Miami - Sylvester Cancer Center

  • 5:45 PM – 5:52 PM PT
    262 - Post-Prostatectomy Risk Stratification of Biochemical Recurrence Using Transfer Learning-Based Multi-Modal Artificial Intelligence
    Location: Room 6 B

    Presenter: Atallah Baydoun, MD, PhD – Case Western Reserve University

  • 5:55 PM – 6:02 PM PT
    263 - 5-Year Renal Function Outcomes after SABR for Primary Renal Cell Carcinoma: A Report from the International Radiosurgery Oncology Consortium of the Kidney (IROCK)
    Location: Room 6 B

    Presenter: Vivian Tan, MD – London Health Sciences Centre

  • 6:05 PM – 6:15 PM PT
    Discussant
    Location: Room 6 B

    Discussant: William Hall, MD – Medical College of Wisconsin (MCW)

  • 5:15 PM – 5:22 PM PT
    253 - Impact of War on Radiotherapy in Ukraine
    Location: Room 2

    Presenter: Yuliia Lozko, MD – Stanford Cancer Institute Palo Alto

  • 5:25 PM – 5:32 PM PT
    254 - Radiotherapy Resources in Latin America and the Caribbean: An International Atomic Energy Agency Analysis of Current and Projected Needs
    Location: Room 2

    Presenter: May Elbanna, MD, PhD – Indiana University

  • 5:35 PM – 5:42 PM PT
    255 - Timely Access to Oncological Treatment in Brazil: Analysis of the 60-Law Compliance in a State Database
    Location: Room 2

    Presenter: Cecília de Sousa, MD – Johns Hopkins School of Public Health

  • 5:45 PM – 5:52 PM PT
    256 - Impact of AI-Based Auto-Segmentation on Radiotherapy Processes in Low and Middle-Income Countries
    Location: Room 2

    Presenter: Solomon Kibudde, MBBS – Uganda Cancer Institute

  • 5:55 PM – 6:02 PM PT
    257 - SCCAg as a Biomarker of Advanced Stage and OS in Limited Resource Setting for Cervical Cancer
    Location: Room 2

    Presenter: Rohini Bhatia, MD – Johns Hopkins Radiation Oncology Kimmel Cancer Center

  • 6:05 PM – 6:12 PM PT
    258 - Cobalt Compensator-Based IMRT for Gynecologic Cancer Treatment in Low- and Middle-Income Countries: Equivalence to LINAC-Based IMRT
    Location: Room 2

    Presenter: Peter Zaki, MD – University of Washington

  • 5:20 PM – 5:25 PM PT
    1194 - Influence of Radiation Fractionation on Immune Repertoire Diversity in Solid Tumor Patients
    Location: Room 8

    Presenter: Susannah Ellsworth, MD – University of Pittsburgh Medical Center

  • 5:25 PM – 5:30 PM PT
    1196 - Single-Cell and Spatial Transcriptomics Revealing the Role of IDO1 in HPV+ Cervical Cancer Tumor Immune Microenvironment and Its Implications in Radiotherapy and Immunotherapy
    Location: Room 8

    Presenter: Zheng Danyang, MD, PhD, MS – The University of Hong Kong

  • 5:35 PM – 5:40 PM PT
    1200 - Characterization of Peripheral T-Cell Dynamics in the Patients with Bone Metastasis from Breast Cancer Following Stereotactic Body Radiotherapy
    Location: Room 8

    Presenter: In Ah Kim, MD, PhD – Seoul National University

  • 5:40 PM – 5:45 PM PT
    1202 - PARP Inhibitor Plus Radiotherapy Reshapes IDH1 Mutation Tumor Immune Suppression Microenvironment Potentiating the Efficiency of Immune Checkpoint Inhibitor
    Location: Room 8

    Presenter: Xiaoyu Hu, MD, PhD – Shandong Cancer Hospital and Institute

  • 5:45 PM – 5:50 PM PT
    1204 - Loss of MAPKAPK2 Enhances cGAS-STING-IFNß1 Pathway Activation in Head and Neck Squamous Cell Carcinoma
    Location: Room 8

    Presenter: Deri Morgan, PhD – KUMC

  • 5:20 PM – 5:25 PM PT
    1182 - Automatic Prediction of Metastasis-Free Survival (MFS) Using Prostate-Specific Membrane Antigen (PSMA) PET for Oligometastatic Castration-Sensitive Prostate Cancer (omCSPC)
    Location: Room 7

    Presenter: Yufeng Cao, PhD – University of Maryland Central Maryland Radiation Oncology

  • 5:25 PM – 5:30 PM PT
    1184 - A Dosimetric Study Indicates the Spinal Cord Irradiation Contributes to Acute Hematologic Toxicities in Non-Small Cell Lung Cancer Patients Receiving Radiotherapy Combined with Immunotherapy
    Location: Room 7

    Presenter: Jiachun Ma – Shandong Cancer Hospital and Institute

  • 5:30 PM – 5:35 PM PT
    1186 - Novel Functional Radiomics for Prediction of Cardiac PET Avidity in Lung Cancer Radiotherapy
    Location: Room 7

    Presenter: Wookjin Choi, PhD – Thomas Jefferson University

  • 5:35 PM – 5:40 PM PT
    1188 - Prognostic Value of Weekly Delta-Radiomics during MR-Linac Radiotherapy of Glioblastoma
    Location: Room 7

    Presenter: Kaylie Cullison, BS – University of Miami Sylvester Comprehensive Cancer Center

  • 5:40 PM – 5:45 PM PT
    1190 - A Radiogenomic Machine Learning Model for Glioblastoma Post-Resection Overall Survival Group Prediction
    Location: Room 7

    Presenter: Lana Wang, MS – Duke University

  • 5:45 PM – 5:50 PM PT
    1192 - Prediction of Anatomical Presentation during Radiotherapy of Nasopharyngeal Carcinoma Using GAN-LSTM for Plan Adaption Decision
    Location: Room 7

    Presenter: Bining Yang, PhD – National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy

  • 5:20 PM – 5:25 PM PT
    1170 - Definitive Chemoradiation Treatment Response Evaluation Using NI-RADS and ctHPVDNA for HPV-Associated Oropharyngeal Squamous Cell Carcinoma
    Location: Room 4

    Presenter: Ryan Morse, MD – University of North Carolina at Chapel Hill

  • 5:25 PM – 5:30 PM PT
    1172 - The KRAS-Variant and Cetuximab in HPV-Positive Oropharyngeal Cancer in NRG/RTOG 1016
    Location: Room 4

    Presenter: Joanne Weidhaas, MD, PhD – UCLA Radiation Oncology

  • 5:30 PM – 5:35 PM PT
    1174 - Long-Term Results of Induction Chemotherapy Followed by 50 Gy Radiation Therapy Alone for Low-Risk HPV-Positive Oropharynx Cancer
    Location: Room 4

    Presenter: Daniel Huang, MD – University of Chicago

  • 5:35 PM – 5:40 PM PT
    1176 - A Pilot, First in Human Study of Autologous IFN-Gamma Stimulated Mesenchymal Stromal Cells for Treatment of Radiation-Induced Xerostomia
    Location: Room 4

    Presenter: Grace Blitzer, MD – University of Wisconsin

  • 5:40 PM – 5:45 PM PT
    1178 - Delta-Radiomics Guides Adaptive De-Intensification after Induction Chemotherapy in Locoregionally Advanced Nasopharyngeal Carcinoma in the IMRT Era
    Location: Room 4

    Presenter: Shun-Xin Wang, MD – Sun Yat-Sen University Cancer Center

  • 5:45 PM – 5:50 PM PT
    1180 - Risk-Stratification using the 40-Gene Expression Profile (40-GEP) Test Identifies Patients with Node Negative Cutaneous Squamous Cell Carcinoma (cSCC) at Higher Risk of Metastasis Who May Benefit from
    Location: Room 4

    Presenter: Anesh Prasai, PhD – Castle Biosciences, Inc

  • 5:15 PM – 6:15 PM PT
    3213 - Effect of External Beam Radiation Therapy (EBRT) and Brachytherapy (BT) on Circulating MDSC Populations in Patients Treated Definitively for Cervical Cancer
    Location: Hall B1

    Presenter: Kelsey Wanhainen, PhD – University of Minnesota