ESTRO 2025 - Abstract Book

S4385

RTT - Treatment planning, OAR and target definitions

ESTRO 2025

Conclusion: Our retrospective single-institutional dosimetric analysis confirmed the data present in the literature No cardiac events were reported. With the limitations of the sample also analyzed by the dosimetric analysis of the cardiac substructures, the Fast Forward ultrahypofractionated schedule appears feasible and safe even with free breathing technique.

Keywords: Breast-cardiac-substructures

References: 1. Loap P, Kirova Y. The challenge of cardiac dose constraint adaptation to hypofractionated breast radiotherapy in clinical practice. Strahlenther Onkol. 2021 Jun;197(6):555-557. doi: 10.1007/s00066-021-01777-2. Epub 2021 Apr 23. PMID: 33891125; 2. Duma MN, et all. Breast Cancer Expert Panel of the German Society of Radiation Oncology (DEGRO). Heart sparing radiotherapy techniques in breast cancer patients: a recommendation of the breast cancer expert panel of the German society of radiation oncology (DEGRO). Strahlenther Onkol. 2019 Oct;195(10):861-871. English. doi: 10.1007/s00066-019-01495-w. Epub 2019 Jul 18

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Digital Poster Evaluation of the utility of spaceOAR in hypofractionated radiation therapy for prostate cancer Kyung min Yoo Radiation Oncology, Yonsei Cancer Center, Seoul, Korea, Republic of

Purpose/Objective: This study aims to evaluate the utility of SpaceOAR in hypofractionated radiation therapy for prostate cancer.