A. V. Belonogov
Irkutsk State Medical Academy of Postgraduate Education – branch of the Russian Medical Academy of Postgraduate Education of the Ministry of Health of the Russian Federation; Irkutsk State Medical University; Regional Oncology Dispensary
Russian Federation

Aleksandr V. Belonogov – Dr. Sc. (Med.), Professor, Professor of the Department of Oncology and Radiation Therapy; professor of the Department of Oncology and Radiation Therapy; endoscopist of the endoscopic department 

Yubileyny Microdistrict, 100, Irkutsk, 664049;
Krasnogo Vosstaniya St., 2, Irkutsk, 664003;
Frunze St., 32, Irkutsk 664032

R. A. Zubkov
Irkutsk State Medical University; Regional Oncology Dispensary
Russian Federation

Roman A. Zubkov – Cand. Sc. (Med.), Chief Physician; assistant of the Department of oncology and radiation therapy 

Krasnogo Vosstaniya St., 2, Irkutsk, 664003;
Frunze St., 32, Irkutsk 664032

K. V. Tolmachev
Irkutsk State Medical University; Regional Oncology Dispensary
Russian Federation

Konstantin V. Tolmachev – oncologist of the Department of surgical methods of treatment of tumors of the head and neck 

Krasnogo Vosstaniya St., 2, Irkutsk, 664003;
Frunze St., 32, Irkutsk 664032

Yu. G. Senkin
Irkutsk State Medical University; Regional Oncology Dispensary
Russian Federation

Yuri G. Senkin – Cand. Sc. (Med.), assistant of the Department of propaedeutics and internal diseases; ultrasound diagnostics physician of the Department of ultrasound diagnostics 

Krasnogo Vosstaniya St., 2, Irkutsk, 664003;
Frunze St., 32, Irkutsk 664032

Yu. A. Privalov
Irkutsk State Medical Academy of Postgraduate Education – branch of the Russian Medical Academy of Postgraduate Education of the Ministry of Health of the Russian Federation
Russian Federation

Yuri A. Privalov – Dr. Sc. (Med.), Associate Professor, Head of the Department of Surgery 

Yubileyny Microdistrict, 100, Irkutsk, 664049

A. A. Kozyreva
Regional Oncology Dispensary
Russian Federation

Anna A. Kozyreva – pathologist of the pathology department No.1 

Frunze St., 32, Irkutsk 664032

M. V. Mirochnik
Regional Oncology Dispensary
Russian Federation

Maksim V. Mirochnik – Head of the department of surgical methods for treating head and neck tumors 

Frunze St., 32, Irkutsk 664032