I. E. Chatkov
Moscow State University of Medicine and Dentistry
Russian Federation

Faculty Surgery Department Two

Yu. A. Barsukov
Research Institute of Clinical Oncology, N.N. Blokhin Russian Cancer Research Center, Russian Academy of Medical Sciences, Moscow
Russian Federation

Department of Proctology

A. O. Atroshchenko
Moscow State University of Medicine and Dentistry
Russian Federation

Faculty Surgery Department Two

V. A. Aliyev
Research Institute of Clinical Oncology, N.N. Blokhin Russian Cancer Research Center, Russian Academy of Medical Sciences, Moscow
Russian Federation

Department of Proctology

D. V. Kuzmichev
Research Institute of Clinical Oncology, N.N. Blokhin Russian Cancer Research Center, Russian Academy of Medical Sciences, Moscow
Russian Federation

Department of Proctology

R. I. Tamrazov
Research Institute of Clinical Oncology, N.N. Blokhin Russian Cancer Research Center, Russian Academy of Medical Sciences, Moscow
Russian Federation

Department of Proctology

S. S. Gordeyev
I.M. Sechenov First Moscow State Medical University
Russian Federation

Department of Oncology, Faculty of Therapeutics