K. S. Titov
Moscow Multidisciplinary Scientific and Clinical Center named after S.P. Botkin; Peoples' Friendship University of Russia
Russian Federation

Konstantin S. Titov - Dr. Sci. (Med.), Professor of the Department of Oncology and Radiology named after Academician V.P. Kharchenko Medical Institute; Leading Researcher 
Author's contribution: concept and design of the study.

5 2nd Botkin passage, Moscow, 125284;
6 Miklukho-Maklaya str., Moscow, 117198

M. V. Sorokina
Peoples' Friendship University of Russia
Russian Federation

Margarita V. Sorokina - Oncologist, Acting Head of the Department of Diagnosis and Treatment of diseases of the breast and reproductive system of the Center for Outpatient Oncological Care 
Author's contribution: collecting and processing materials, writing the text of the manuscript.

6 Miklukho-Maklaya str., Moscow, 117198

S. S. Lebedev
Moscow Multidisciplinary Scientific and Clinical Center named after S.P. Botkin; Russian Medical Academy of Continuing Professional Education
Russian Federation

Sergey S. Lebedev - Dr. Sci. (Med.), Associate Professor of the Department of Surgery; leading researcher, surgeon, oncologist, Deputy Chief Physician for Oncology, Head 
AuthorID: 936520 
The author's contribution: collection and processing of materials, statistical processing.

5 2nd Botkin passage, Moscow, 125284;
2/1 Barricadnaya str., building 1, Moscow, 125993

D. N. Grekov
Moscow Multidisciplinary Scientific and Clinical Center named after S.P. Botkin; Peoples' Friendship University of Russia
Russian Federation

Dmitriy N. Grekov - Cand. Sci. (Med.), Leading Researcher, Deputy Director for Clinical Work, Chief Physician; Associate Professor of the Department of Surgery, Faculty of Surgery 
AuthorID: 989579 
The author's contribution: collection and processing of materials, statistical processing.

5 2nd Botkin passage, Moscow, 125284;
6 Miklukho-Maklaya str., Moscow, 117198

E. Yu. Neretin
Samara Regional Clinical Oncological Dispensary
Russian Federation

Evgeniy Yu. Neretin - Dr. Sci. (Med.), oncologist of the highest category of the consultative department No. 1; Associate Professor of the Department of Surgery with a course in Oncology, Medical University "Reaviz".
Scopus Author ID: 57016832800; AuthorID: 623726 
Author's contribution: review of publications on the topic of the article.

50 Solnechnaya str., Samara, 443029

T. A. Yakusheva
Moscow Multidisciplinary Scientific and Clinical Center named after S.P. Botkin
Russian Federation

Tat'yana A. Yakusheva - Oncologist, Head of the Oncology department of the Outpatient Oncology Center 
Author's contribution: review of publications on the topic of the article.

5 2nd Botkin passage, Moscow, 125284