直肠类癌是一种少见的肿瘤,在胃肠道类癌中居阑尾、小肠之后为第3位,约占直肠肿瘤性疾病的13%及全身各脏器类癌的13%[1]。现将1991～1998年诊治的直肠类癌报告如下。1　临床资料11　一般资料　本组17例中,男11例,女6例。年龄29～71岁,其中48～65岁14例(占824%)。肿瘤距肛缘8ｃ Rectal carcinoid is a rare tumor. It ranks third in appendiceal and small intestine in gastrointestinal carcinoid, accounting for about 13% of rectal neoplasms and 13% of systemic organ carcinoid [1]. The rectal cancers diagnosed and treated from 1991 to 1998 are reported below. 1 Clinical data 11 General information In this group of 17 patients, 11 were males and 6 were females. Ages from 29 to 71 years old, including 14 to 48 years old (824%). Tumor margin 8c