TY JOUR TI Clinical Case of Treatment of Stage IV Esophageal Cancer KW esophageal cancer KW radiotherapy KW chemoradiotherapy KW palliative treatment JO Medical Radiology and radiation safety AU Strikanova, I.A. AU Gumeneckaja, J.V. AU Dzhabrailova, S.O. AU Makarova, K.S. AU Kireeva, T.A. PY 2021 IS 66 PB Federal Medical Biological Agency of Russia