Results of diagnosis and treatment of gastric cancer according to the program of screening in permanently followed-up population group during 1980-1995 years, developed and introduced into practice of Medical Center of the President of Russia Administration, are analysed. According to the Cancer Register data through this period, total number of cases of this disease comprised 896 patients. Active revealing of cancer of the stomach made up 61%. The causes of advanced disease in patients with stage IV cancer have been thoroughly analysed, their share being high enough--23.5%. Due to achieved level of early diagnosis (I stage) the possibility of only radical surgical treatment rises up to 83.5%, allowing to receive a high percent of corrected 5-year (92-93%) and 10-year (83-88%) survival. Every third patient with cancer of the stomach succumbs due to causes unconnected with the progression of the disease.