消化道恶性肿瘤是严重危害高原地区人们健康的主要恶性肿瘤。我科自1967年至1990年共病检3706例，确诊为消化道恶性肿瘤者167例，占总病检数的4．5％，现报告如下：资料分析167例消化道恶性肿瘤中胃癌106例（胃腺癌66例．粘液癌19例，软癌6例，硬癌5例，溃疡癌变10例），占消化 Gastrointestinal cancer is a major malignancy that seriously jeopardizes the health of people in high altitude areas. In our department, 3,706 cases were diagnosed from 1967 to 1990, and 167 cases of malignant tumors of the digestive tract were diagnosed, accounting for 4.5% of the total number of cases. The present report is as follows: Data analysis of 167 cases of gastric cancer in digestive tract malignancy 106 Cases (66 cases of gastric adenocarcinoma, 19 cases of mucinous carcinoma, 6 cases of soft carcinoma, 5 cases of hard carcinoma, and 10 cases of ulceration carcinoma) account for digestion