我院从1971年八月份成立肿瘤科至1977年八月止,共6年收治直肠癌病人89例,男性62例,女性27例。男女之比为2,3:1,比浙二院男性发病率稍高。本组发病年龄高峰为40—60岁,共56例,占63％。40岁以下者共17例,占19％。最幼者22岁,最大者70岁,平均年龄为47.8岁。见表一: Our hospital established the Department of Oncology from August 1971 to August 1977. There were 89 cases of rectal cancer patients, 62 males and 27 females. The male to female ratio was 2,3:1, which was slightly higher than that of the male in the Second Institute of Zhejiang. The peak age of onset in this group was 40-60 years old, a total of 56 cases, accounting for 63%. A total of 17 patients under the age of 40 accounted for 19%. The youngest is 22 years old, the oldest is 70 years old, and the average age is 47.8 years old. See Table 1: