O.Yu. KARPUKHIN1,2, L.F. ZIGANSHINA2, A.A. ELEEV1, R.A. BASHIROV2, B.V. ZIGANSHIN1 ¹Kazan State Medical University, 49 Butlerov Str., Kazan, Russian Federation, 420012 2Republican Clinical Hospital of the MH of RT, 138 Orenburgskiy Trakt, Kazan, Russian Federation, 420064  Karpuknin O.Yu. ― D. Med. Sc., Professor of the Department of Surgical Diseases №1, curator of Coloproctology Department, tel. […]