M. A. Abdulaev
I.I. Mechnikov North-Western State Medical University at the Ministry of Health of Russia
Russian Federation

V.A. Oppel Department of Hospital Surgery,

41 Kirochnaya St., Saint Petersburg, 191015

E. V. Napol’skaya
V.A. Oppel Department of Hospital Surgery; Saint Petersburg Scientific-and-Practical Clinical Center for Specialized Types of Medical (Oncologic) Care
Russian Federation

V.A. Oppel Department of Hospital Surgery, 41 Kirochnaya St., Saint Petersburg, 191015;

68а Pesochnyi Settlement, Saint Petersburg, 197758

M. Yu. Tsikoridze
Saint Petersburg Scientific-and-Practical Clinical Center for Specialized Types of Medical (Oncologic) Care
Russian Federation

68а Pesochnyi Settlement, Saint Petersburg, 197758