K. D. Khalin
Private Clinical Hospital “RZhD-Medicine”; Pacific State Medical University
Russian Federation

MD, 25 Verhne-Portovaya St., Vladivostok, 690003;

postgraduate student, 2 Ostryakova Ave., Vladivostok, 690002

M. Yu. Agapov
City Clinical Oncological Center
Russian Federation

MD, PhD, 56 Veteranov Ave., Saint Petersburg, 198255

L. V. Zvereva
Private Clinical Hospital “RZhD-Medicine”
Russian Federation

MD, chief of pathology department,

25 Verhne-Portovaya St., Vladivostok, 690003

N. E. Ogurchyenok
Private Clinical Hospital “RZhD-Medicine”
Russian Federation

MD, pathologist, 25 Verhne-Portovaya St., Vladivostok, 690003

E. F. Ryzhkov
Private Clinical Hospital “RZhD-Medicine”
Russian Federation

MD, chief of endoscopic department,

25 Verhne-Portovaya St., Vladivostok, 690003

A. S. Barsukov
Private Clinical Hospital “RZhD-Medicine”
Russian Federation

MD, endoscopist, 25 Verhne-Portovaya St., Vladivostok, 690003

A. S. Stegniy
Pacific State Medical University; Far Eastern Federal University Medical Center
Russian Federation

MD, PhD, professor, member of the Russian Academy of Sciences, Director of the Surgery Institute, 2 Ostryakova Ave., Vladivostok, 690002;

head of the Surgery Department, 8 Sukhanova St., Vladivostok, 690950