А. S. Konstantinov
Saint Petersburg Clinical Scientific and Practical Center for Specialized Types of Medical Care (Oncological); Saint Petersburg Medico-Social Institute
Russian Federation

Aleksey S. Konstantinov — Pathologist; Assistant, Department of Pathological Anatomy 

Pesochniy town, 68А, Leningradskaya Str., Saint Petersburg, 197758 

K. V. Shelekhova
Saint Petersburg Clinical Scientific and Practical Center for Specialized Types of Medical Care (Oncological); Saint Petersburg Medico-Social Institute; Military Medical Academy named after S.M. Kirov
Russian Federation

Kseniya V. Shelekhova — Dr. Sci. (Med.), Head, Department of Pathological Anatomy; Professor, Head, Department of Pathological Anatomy; Senior Lecturer, Department of Pathological Anatomy

Saint Petersburg