Poster Session 15 – Wednesday, December 9, 2020: 8:00 AM CT
   
  Radiation Therapy
PS15-01 Radiation therapy improves survival in early-stage HER2-positive breast cancer with high-level of tumor infiltrating lymphocytes
Mouabbi JA, Chand M, Sakhi R, Asghar IA, Ockner D, Hadid T, Dul CL, Rimawi MF, Aref A. Baylor College of Medicine, Houston, TX; Ascension St John Hospital, Detroit, MI.
PS15-02 Permanent marker free surface-guided breast radiotherapy: implementing a new technique
Mouabbi JA, Chand M, Sakhi R, Asghar IA, Ockner D, Hadid T, Dul CL, Rimawi MF, Aref A. Baylor College of Medicine, Houston, TX; Ascension St John Hospital, Detroit, MI.
PS15-03 Breast complications in patients who received intraoperative radiation therapy compared to other forms of radiation therapy following breast conserving surgery
Wheeler J, Vaghefi H, Morris L, Liu F, Sparks I, Denham F, Henry L, Hardy A, Schrock M, DePue V, Coody L. Goshen Center for Cancer Care, Goshen, IN; University of Notre Dame, Notre Dame, IN.
PS15-04 De-escalation of radiation therapy in patients with stage I, node-negative, HER2-positive breast cancer: patterns of care and survival outcomes using the national cancer database
Bazan JG, Jhawar S, Stover D, Park KU, Beyer S, Healy E, White JR. James Comprehensive Cancer Center, The Ohio State University Medical Center, Columbus, OH.
PS15-05 Hypofractionated volumetric modulated arc therapy for breast cancer: A propensity-score-weighted comparison of radiation-related toxicity according to fractionation and modality
Kim N, Chang JS, Keum KC, Suh C-O, Shin H, Kim YB. Yonsei Cancer Center, Seoul, Republic of Korea.
PS15-06 The distribution of radiosensitivity index differs by PAM50 subtype in primary breast tumors
Fahey M, Russo N, Liveringhouse C, Mills M, Ahmed K, Diaz R. University of South Florida Morsani College of Medicine, Tampa, FL; Moffitt Cancer Center, Department of Radiation Oncology, Tampa, FL.
PS15-07 Deep inspiration breath-hold in right-sided breast irradiation: Quantifying the benefit
Krishnamurthy R, Lee G, Liu ZA, Pittman T, Fyles A, Koch CA. Princess Margaret Cancer Centre, Toronto, ON, Canada.
PS15-08 Definition of a high risk cardiac zone on non-contrast computed tomography (CT) scans for indirect optimization of left anterior descending coronary artery (LADCA) dosimetry for breast radiotherapy
Loap P, Tkatchenko N, Nicolas E, Kirova Y. Institut Curie, Paris, France.
PS15-09 Adverse events in breast cancer patients treated with concurrent or sequential radiation therapy and CDK 4/6 inhibitors in metastatic setting
Kubeczko M, Badora-Rybicka A, Polakiewicz-Gilowska A, Leśniak A, Świderska K, Mianowska-Malec M, Grandys B, Łanoszka B, Stankiewicz M, Gawkowska M, Nowicka E, Woźniak G, Gabryś D, Tarnawski R, Miszczyk L, Jarząb M. Maria Sklodowska-Curie National Research Institute of Oncology, Gliwice, Poland.
PS15-10 Survival outcomes and prognosis for patients with triple negative breast cancer who received stereotactic radiosurgery for brain metastases
An R, Wang Y, Wang F, Gao C, Raghavendra AS, Amaya D, Ibrahim, NK Li J. MD Anderson Cancer Center-University of Texas, Department of Radiation Oncology, Houston, TX; MD Anderson Cancer Center-University of Texas, Department of Biostatistics, Houston, TX; The Fourth Hospital of Hebei Medical University, Shijiazhuang, China; MD Anderson Cancer Center-University of Texas, Department of Breast Medical Oncology, Houston, TX.
PS15-11 Intraoperative radiation therapy (IORT) for1200 early breast tumors
Epstein M, Silverstein M, Chen P, Lin K, Kim B, Khan S, Snyder L, Guerra LE, Coleman C. Hoag Memorial Hospital Presbyterian, Newport Beach, CA.
PS15-12 Initial outcomes of adjuvant proton pencil beam scanning radiation for patients with breast cancer requiring comprehensive nodal irradiation within a single institution
DeCesaris C, Pollock A, Kowalski E, Paulosky K, Choi S, Mishra M, Nichols E. University of Maryland Medical Center, Baltimore, MD; University of Maryland School of Medicine, Baltimore, MD.
PS15-13 Safe margins for delineation of left anterior descending artery (LAD) using cardiac-gated CT-scan (CG-CT) in left side breast cancer patients
Nicolas E, Khalifa N, Bouhroum S, Laporte C, Kirova Y. Institut Curie, Paris, France; Institut Cancerologie Paris Nord, Sarcelles, France; Groupent de Coopération Sanitaire Recherche & Innovation Santé, Sarcelles, France; Institut de Cancerologie Paris Nord, Sarcelles, France.
PS15-14 Comparison between a breast specific radiosurgery device and intensity modulated proton therapy for accelerated partial breast irradiation
Samanta S, Nichols E, Zakhary M, Guerrero M, Zhang B, Pollock A, Lamichhane N, Becker S. University of Maryland Medical Center, Baltimore, MD.
PS15-15 Atlas-based auto-segmentation of a high risk cardiac zone on non-contrast computed tomography (CT) scans for indirect optimization of left anterior descending coronary artery (LADCA) dosimetry for breast radiotherapy
Loap P, Tkatchenko N, Nicolas E, Kirova Y. Institut Curie, Paris, France.
PS15-16 Evaluation of Workflow Box Mirada software for automatic delineation of left anterior descending coronary artery (LADCA) in order reduce cardiac toxicity for radiotherapy breast cancer treatments
Tkatchenko N, Loap P, Nicolas E, Kirova Y. Institut Curie, Paris, France.
PS15-17 Hypofractionated versus conventional intensity modulated postmastectomy radiotherapy: Toxicity and quality of life in patients with tissue-expander breast reconstruction
Ariel Fariña A, Alfonso D, Fernandez A, Carvajal F, Ciudad AM, Martínez C, Pérez C, González P, Marsiglia H. Instituto Oncológico Fundación Arturo López Pérez, Santiago, Chile; Instituto Nacional de Oncología y Radiobiología, La Habana, Cuba; Centro Oncológico del Norte, Antofagasta, Chile; Universidad de Chile, Santiago, Chile; Instituto Nacional del Cáncer, Santiago, Chile.
PS15-18 Clinical utility of genomic testing for early stage breast cancer patients treated with APBI brachytherapy
Diaz R, Mills MN, Nanda RH, Stout LL, Dube S, Altoos TA, Wilson JP, Allen KG, Baginski JL, Blumencranz PW. Department of Radiation Oncology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL; Department of Radiation, Morton Plant Hospital, Clearwater, FL; Department of Radiation, BayCare Health System, Clearwater, FL; Countryside Cancer Center, Clearwater, FL; Comprehensive Breast Cancer Center of Tampa Bay, Morton Plant Hospital, Clearwater, FL.
PS15-19 Preoperative selection of patients with early-stage invasive breast cancer for intraoperative radiation therapy (IORT): a single-institution experience
Brown AM, Chin C, Connolly E, Rao R, Taback B, Wiechmann L. Columbia University Medical Center, New York, NY.