我院1985年1月～1989年12月共收治大肠癌759例,其中40岁以下的青年141例,占18.6％。分析报道如下。 临床资料 1.一般资料:男77例,女64例,男女之比为1.2:1。病变部位:直肠114例(直肠上段35例,直肠下段79例),乙状结肠12例,升结肠5例,降结肠5例,横结肠3例,回盲部2例。入院 In our hospital from January 1985 to December 1989, a total of 759 cases of colorectal cancer were treated, of which 141 were under the age of 40, accounting for 18.6%. The analysis was reported as follows. Clinical data 1. General information: 77 males and 64 females, male to female ratio was 1.2:1. Lesions: 114 rectums (35 in the upper rectum, 79 in the lower rectum), 12 in the sigmoid colon, 5 in the ascending colon, 5 in the descending colon, 3 in the transverse colon, and 2 in the ileocecal region. Admission