[The Armenian SSR program of active screening for tumors of the digestive tract].

A procedure for identification of groups at high risk for GI tumors was introduced in polyclinics of the Armenian SSR. Complex examination of GI tract was conducted. A questionnaire, occult blood and peripheral blood fibrinogen tests were used in a population of 49,904. 6,663 subjects (13.4%) were examined endoscopically: esophagogastroduodenoscopy--4,997 and colonoscopy--1,666 cases. Malignant tumors of GI tract were detected in 0.1%, benign--in 0.5% of screenees.