title: Effect of war on radiotherapy in Ukraine and how to help.
abstract: 1513 Background: The full-scale Russian invasion of Ukraine on February 24 th , 2022 brought the largest humanitarian disaster to the heart of Europe since the World War II. In this work, we describe the impact of the full-scale Russian invasion on the radiation therapy (RT) services in Ukraine and suggest how to help. Methods: We collected the information on operation of RT centers in Ukraine during the war. In addition, in 2023 an annual survey was conducted by Grigoriev Institute for Medical 
journal: Journal of Clinical Oncology