S.V. DOBROKVASHIN1, P.N. SYSOEV1,2, S.L. DEMYANOV1,2 1Kazan State Medical University, 49 Butlerov St., Kazan, Russian Federation, 420012 2Municipal Clinical Hospital № 16, 121 Gagarin St., Kazan, Russian Federation, 420039 Dobrokvashin S.V — D. Med. Sc., Professor, Head of Department of General Surgery, tel. (843) 557-39-46, e-mail: [email protected] Sysoev P.N. — Head of the Department of Thoracic Surgery, […]