中期胃癌是指在早期胃癌基础上,进一步向深处发展,侵及胃壁固有肌层而尚未累及浆膜层者。它是胃癌发展过程中的一个阶段。自六十年代开始,以深度为标准划分表浅型胃癌以来,对癌组织侵润深度与预后的研究颇多,常以此判断病期早晚及预、后。这对于认识胃癌的发展规律及制定治疗方案具有一定意义。我科从1977～1986年间 Mid-term gastric cancer refers to the development of further gastric cancer on the basis of early gastric cancer, invading the muscularis propria of the stomach wall without involvement of the serosal layer. It is a stage in the development of gastric cancer. Since the 1960s, since the depth of the classification of superficial gastric cancer, the depth of invasion and prognosis of cancer tissue research a lot, often used to determine the disease sooner or later and pre and post. This has certain significance for understanding the development of gastric cancer and formulating treatment plans. Our department from 1977 to 1986