There are currently no accurate rules for manually delineating the subregions of the heart (cavities, vessels, aortic/mitral valves, Planning organ at Risk Volumes for coronary arteries) with the perspective of deep-learning based modeling. Our objective was to present a practical pictorial view for radiation oncologists, based on the RTOG atlas and anatomical complementary considerations for the cases where the RTOG guidelines are missing.
Keywords: Automatic modeling; Delineation; Heart subregions; Radio-induced cardiotoxicity; Radiotherapy.
© 2023 Published by Elsevier B.V. on behalf of European Society for Radiotherapy and Oncology.