D. M. Dubovichenko
Arkhangelsk Clinical Oncology Hospital; Northern State Medical University
Russian Federation

oncologist of chemotherapy day hospital cabinet, 145/1 Obvodny canal Pr., Arkhangelsk, 163045;

postgraduate student of the Department of Radiation Diagnosis, Radiotherapy and Oncology, 51 Troitsky Pr., Arkhangelsk, 163000

M. Y. Valkov
Arkhangelsk Clinical Oncology Hospital; Northern State Medical University
Russian Federation

MD, professor, head of the Department of Radiation Diagnosis, Radiotherapy and Oncology, 145/1 Obvodny canal Pr., Arkhangelsk, 163045

physician of the Radiotherapy Department, 51 Troitsky Pr., Arkhangelsk, 163000

A. A. Karpunov
Northern State Medical University
Russian Federation

PhD, acting head of Department of Clinical Oncology,

51 Troitsky Pr., Arkhangelsk, 163000

A. Yu. Pankrat'eva
Arkhangelsk Clinical Oncology Hospital
Russian Federation

chief physician,

145/1 Obvodny canal Pr., Arkhangelsk, 163045