E. I. Semionkin
Ryazan State Medical University
Russian Federation

Eugeniy I. Semionkin — Candidate of Medical Sciences, Associate Professor, Associate Professor of the Department of Faculty Surgery with the course of Anesthesiology and Resuscitation

Vysokovoltnaya st., 9, Ryazan, 390026, Russia

D. A. Khubezov
Ryazan State Medical University
Russian Federation

Dmitry A. Khubezov — Doctor of Medical Sciences, Professor

Vysokovoltnaya st., 9, Ryazan, 390026, Russia

R. V. Lucanin
Ryazan State Clinical Hospital
Russian Federation

Roman V. Lucanin — head. department of coloproctology

Internatsionalnaya st., 3a, Ryazan, 390039, Russia

D. K. Puchkov
Ryazan State Medical University
Russian Federation

Dmitri K. Puchkov — Candidate of Medical Sciences, Associate Professor

Vysokovoltnaya st., 9, Ryazan, 390026, Russia

A. Yu. Ogoreltzev
Ryazan State Medical University
Russian Federation

Alexander Yu. Ogoreltzev — Candidate of Medical Sciences, Associate Professor, Associate Professor of the Department of Faculty Surgery with the course of Anesthesiology and Resuscitation

Vysokovoltnaya st., 9, Ryazan, 390026, Russia

E. A. Yudina
Ryazan State Clinical Hospital
Russian Federation

Elena A. Yudina — resident of the Department of coloproctology

Internatsionalnaya st., 3a, Ryazan, 390039, Russia

I. Yu. Bragina
Ryazan State Clinical Hospital
Russian Federation

Irina Yu. Bragina — Resident of the Department of Functional Diagnostics

Internatsionalnaya st., 3a, Ryazan, 390039, Russia

A. S. Gordeeva
Ryazan State Medical University
Russian Federation

Alexandra S. Gordeeva — Clinical Resident

Vysokovoltnaya st., 9, Ryazan, 390026, Russia