A.V. Gulyaev - Dr.Sc. (Med.), Professor, Leader Abdominal Oncology Surgical Department, FGBU «Research Institue for Oncology named after N.N. Petrov», Saint-Petersburg, Russia B.M. Kondratenko - Dr.Sc. (Eng.), Professor, Leading Research Scientist, Research Institute for Shipbuilding and Arma-ment, Russian Navy MERC «Navy Academy». E-mail: mkondratenko@bk.ru