Methods 43 patients of rectal carcinoma received lymphography (18 cases) or radionuclide imaging (25 cases) one week before operation.

• 方法选择直肠癌术前病人43例于术前一周分别行淋巴管造影18例，放射性核素淋巴显像25例，将结果与术后病理学检查进行比较。