TY JOUR TI Role of Intensification of Neoadjuvant Treatment of Patients with Locally Expanded Rectal Cancer KW locally advanced rectal cancer KW chemo radiotherapy KW induction chemotherapy KW consolidation chemotherapy KW sandwich therapy JO Medical Radiology and radiation safety AU Polynovskiy, A.V. AU Kuz'michev, D.V. AU Mamedli, Z.Z. AU Tkachev, S.I. AU Chernich, M.V. AU Suraeva, Y.E. AU Madyarov, J.M. AU Aniskin, A.A. AU Kolobanov, E.S. PY 2021 IS 66 PB Federal Medical Biological Agency of Russia