TY JOUR TI Succesful Treatment of Reccurence of Rectal Cancer with Invasion of the Sacrum (Case Report) KW recurrence KW rectal cancer KW invasion of the sacrum KW resection of the sacrum KW radiotherapy KW preoperative chemoradiotherapy JO Medical Radiology and radiation safety AU Musaev, E.R. AU Tkachev, S.I. AU Kuz'michev, D.V. AU Polynovskiy, A.V. AU Rasulov, A.O. AU Caryuk, V.F. AU Kochura, N.A. AU Sushencov, E.A. AU Suraeva, Y.E. PY 2018 IS 62 PB Federal Medical Biological Agency of Russia