A. K. Каchur
«Medsi» Сlinical Hospital No. 1
Russian Federation

Aleksander K. Kachur – oncologist at the thoracoabdominal oncology and breast care department, SPIN:9251-5890, AuthorID: 1081877, Scopus Author ID: 57193125970

2/1 Otradnoye village, Krasnogorsk district 143442

V. K. Lyadov
City Clinical Oncological Hospital No. 1 of the Moscow Department of Health; Russian Medical Academy of Continuing Professional Education of the Ministry of Health of the Russian Federation
Russian Federation

Vladimir K. Lyadov – Dr. Sci. (Med.), associate professor, associate professor of the department of oncology ; head of oncology department No. 4, SPIN: 5385-7889, AuthorID: 642364, ResearcherID: AAA-3897-2019, Scopus Author ID: 57201392537

17/1 Baumanskaya str., Moscow 105005; 2/1/1 Barricadnaya str., Moscow 125993