直肠癌局部切除适用于肿瘤直径≤3cm，高中分化腺癌，浸润深度为黏膜或黏膜下，无淋巴结转移。直肠癌分期明显影响着直肠癌局部切除术后的存活率。

nternational progress of the local excision for rectal cancer LIU Bao-hua. Department of General Surgery, Daping Hospital, the Third Military Medical University, Chongqing 400042， China Abstract Local excision for cure in rectal cancer should be restricted to tumors with well or moderate differentiation, with invasion of mucosa or submucosa and ≤ 3 cm in diameter without lymph node involvement. The overall survival of local excision was influenced by the stages of rectal cancers.