Conclusions: colonoscopy should become a routine preoperatve methods for rectal cancer cases, barium enema was not recommend to diagnosis colon disease for rectal cancer patients, if not in ...

• 结论:在直肠癌的术前检查中纤维结肠镜检查应该作为常规的检查项目,而钡灌肠检查除非特殊情况下,一般不宜用这种方法检查同时合并的结肠病变。