O. V. Zaitsev
I.P. Pavlov Ryazan State Medical University; Regional Clinical Hospital
Russian Federation

Oleg V. Zaitsev - Doctor of Medical Sciences, Professor, Head of the Department of Surgery, Obstetrics and Gynecology, I.P. Pavlov Ryazan State Medical University, Head of the Surgical Service of the State Budgetary Institution of Ryazan RRCH.

9, Vysokovoltnaya Str., Ryazan 390026; 3a, Internatsionalnaya Str., Ryazan 390039

A. V. Koshkina
I.P. Pavlov Ryazan State Medical University; Regional Clinical Hospital
Russian Federation

Anna V. Koshkina - Candidate of Medical Sciences, Assistant of the Department of Surgery, Obstetrics and Gynecology, I.P. Pavlov Ryazan State Medical University, Surgeon, Ryazan RRCH.

9, Vysokovoltnaya Str., Ryazan 390026; 3a, Internatsionalnaya Str., Ryazan 390039

S. V. Bizyaev
I.P. Pavlov Ryazan State Medical University; Regional Clinical Hospital
Russian Federation

Sergey V. Bizyaev - Assistant at the Department of Surgery, Obstetrics and Gynecology, I.P. Pavlov Ryazan State Medical University, Head of the Endoscopic Department, Ryazan RRCH.

9, Vysokovoltnaya Str., Ryazan 390026; 3a, Internatsionalnaya Str., Ryazan 390039

E. V. Dyachkov
Regional Clinical Hospital
Russian Federation

Evgeniy V. Dyachkov – Endoscopist.

3a, Internatsionalnaya Str., Ryazan 390039

L. Yu. Panina
I.P. Pavlov Ryazan State Medical University; Regional Clinical Hospital
Russian Federation

Lyubov Yu. Panina – Endoscopist.

9, Vysokovoltnaya Str., Ryazan 390026; 3a, Internatsionalnaya Str., Ryazan 390039

T. M. Cherdantsevа
I.P. Pavlov Ryazan State Medical University
Russian Federation

Tatyana M. Cherdantsevа - Doctor of Medical Sciences, Associate Professor, Head of the Department of Histology, Pathological Anatomy and Medical Genetics.

9, Vysokovoltnaya Str., Ryazan 390026

A. A. Kopeikin
I.P. Pavlov Ryazan State Medical University; State Clinical Emergency Hospital
Russian Federation

Aleksandr A. Kopeikin - Candidate of Medical Sciences, Associate Professor of the Department of Hospital Surgery, Deputy Chief Physician for the Medical Department.

9, Vysokovoltnaya Str., Ryazan 390026; 85, Stroykova Str., Ryazan 390026

D. V. Shchankin
Regional Clinical Hospital
Russian Federation

Dmitry V. Shchankin – Surgeon.

3a, Internatsionalnaya Str., Ryazan 390039