V. V. Darvin
Medical Institute of Surgut State University
Russian Federation

Doct. of Med. Sci., Professor, Head of the Chair of Hospital-Based Surgery of the Medical Institute of Surgut State University

S. V. Onishchenko
Medical Institute of Surgut State University
Russian Federation

Doct. of Med. Sci., Associate Professor of Chair of Hospital-Based Surgery of the Medical Institute of Surgut State University

E. V. Loginov
Yatskiv Nefteyugansk District Clinical Hospital
Russian Federation

Endoscopist, Head of the Endoscopic Department of Yatskiv Nefteyugansk District Clinical Hospital

A. A. Kabanov
Medical Institute of Surgut State University
Russian Federation

Radiologist, Postgraduate of the Chair of Hospital-Based Surgery of the Medical Institute of Surgut State University