TY CONF TI RELEVANCE OF RADIOTHERAPY IN MODERN ONCOLOGY: PROSPECTS AND CHALLENGES KW radiotherapy KW oncology KW ionizing radiation KW stereotactic radiosurgery KW proton therapy KW side effects KW individual treatment KW radiation JO SCIENCE TRANSFORMS REALITY - 2025 AU Sezina, A.V. AU Cuverkalov, A.E. AU Frolov, V.V. PY 2025 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov