FIELD: medicine.
SUBSTANCE: invention is intended for diagnosis of stomach cancer. Blood serum concentration of vascular endothelial growth factor, carcinoembryonal antigen and pepsinogen-1. In compliance with one of following conditions: VEGF value is greater than or equal to 226-360 pg/ml, CEA is greater than or equal to 2.8 ng/ml, PG-1 is less than 30 mcg/l; VEGF value is more than 360 pg/ml, CEA is greater than or equal to 5.2 ng/ml, PG-1 is less than 49 mcg/l; VEGF value is more than 1000 pg/ml, CEA is greater than or equal to 5.0 ng/ml, PG-1 is greater than or equal to 105 mcg/l, presence of oncotransformation of gastric epithelium.
EFFECT: method provides higher accuracy of early detection in patients suffering from gastroduodenal zone oncotransformation of gastric epithelium.
1 cl, 1 tbl, 3 ex
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