胃癌是常见的恶性肿瘤之一。国内尸体解剖统计,本病占消化系统恶性肿瘤第一位,占所有恶性肿瘤的第三位。宁波地区三年(1974——1976年)死亡情况回顾性调查中,胃癌的年平均死亡率为39.65/10万,在所有的恶性肿瘤中占首位。胃癌的预后与治疗时的病期早晚有直接关系。有报道早期胃癌手术后的五年存活率可达85.9— Gastric cancer is one of the common malignant tumors. According to internal autopsy statistics, this disease accounted for the first place in the digestive system and accounted for the third place in all malignant tumors. In a three-year (1974-1976) death survey in Ningbo, the average annual mortality rate of gastric cancer was 39.65 per 100 000, which was the highest among all malignant tumors. The prognosis of gastric cancer has a direct relationship with the time of treatment when the disease occurs. It has been reported that the five-year survival rate after early gastric cancer surgery can reach 85.9—