Yu. A. Ragulin
A. Tsyb Medical Radiological Research Centre – Branch of the National Medical Radiology Research Centre of the Ministry of Health of the Russian Federation
Russian Federation

Yuri A. Ragulin, MD, PhD, head of the department of radiation and surgical treatment of thoracic diseases 

10 Marshala Zhukova str., Kaluga Region, Obninsk, 249036

E. I. Smolenov
A. Tsyb Medical Radiological Research Centre – Branch of the National Medical Radiology Research Centre of the Ministry of Health of the Russian Federation
Russian Federation

Evgeniy I. Smolenov, researcher of department of radiation and surgical treatment of thoracic diseases 

For correspondence: Address: 10 Marshala Zhukova str., Kaluga Region, Obninsk, 249036

V. S. Usachev
A. Tsyb Medical Radiological Research Centre – Branch of the National Medical Radiology Research Centre of the Ministry of Health of the Russian Federation
Russian Federation

Vladimir S. Usachev, researcher of department of radiation and surgical treatment of thoracic diseases 

10 Marshala Zhukova str., Kaluga Region, Obninsk, 249036