大肠癌是临床常见的消化道恶性肿瘤,在我国已成为第三大恶性肿瘤,并有逐年上升的趋势。本文就我院8a间应用电子肠镜检查及病理证实的343例大肠癌的性别、年龄、发病部位等进行回顾性分析,现报告如下。1材料与方法1.1材料收集我院2001-07~2009-07经电子大肠镜及病理检查确珍的大 Colorectal cancer is a common clinical malignant tumor of the digestive tract, which has become the third largest malignant tumor in our country and has been increasing year by year. This article on the use of colonoscopy in our hospital of electron colonoscopy and pathology confirmed 343 cases of colorectal cancer sex, age, location of the incidence of retrospective analysis, are as follows. 1 Materials and Methods 1.1 Materials Collection Our hospital 2001-07 ~ 2009-07 by electronic colonoscopy and pathological examination really big