大肠癌为我国常见恶性肿瘤之一,约占恶性肿瘤第5～8位。本科自1955～1980年共收检大肠上皮性肿瘤标本986例,其中大肠癌为753例,占76. 36%。现将其病理资料及其部分随访结果,总结分析如下。(一)一般资料1. 性别及年龄:男475例,女278例,男女之比为1. 71∶1。本组有年龄记载674例,最小发病年龄16岁,最大85岁,平均年龄为46. 40岁。本组病例的年龄分布见表1。 Colorectal cancer is one of the most common malignancies in China and accounts for 5th to 8th of malignant tumors. In the undergraduate course, 986 cases of colorectal epithelial tumors were collected from 1955 to 1980, of which 753 were colorectal cancers, accounting for 76.36%. The pathological data and its follow-up results are summarized and analyzed as follows. (1) General information 1. Gender and age: 475 males and 278 females, male to female ratio of 1.71:1. This group has 674 cases of age, the minimum age of onset of 16 years, the largest 85 years old, the average age of 46.40 years old. The age distribution of this group of patients is shown in Table 1.