M.N. MANOILO1, V.V. DARVIN Surgut State University, 1 Lenin Str., Surgut, Russian Federation, 628412  Darvin V.V. — D. Sc. (medicine), Professor, Head of the Department of Surgical Diseases, e-mail: profdarvin@mail.ru, ORCID ID: 0000-0002-1121-9636 Manoilo M.N. — post-graduate student of the Department of Hospital Surgery, e-mail: promedol84@mail.ru, ORCID ID: 0000-0002-3089-344X  Objective: to study the structure and […]