我国直肠癌的发病特点是低位直肠癌较多,大约有70%的直肠癌发生于中低位直肠。低位前切除是中低位直肠癌的首选手术。低位保肛手术中应该注意以下问题:(1)掌握AJCC术前分期的重要意义;(2)对c T3或淋巴结阳性的直肠癌新辅助治疗的重要性;(3)正确地选择低位直肠癌的保肛手术;(4)直肠癌局部切除中存在的问题。 The incidence of rectal cancer in China is characterized by low rectal cancer more, about 70% of rectal cancer occurred in the low rectum. Low anterior resection is the preferred surgery for low and middle rectal cancer. Low anus surgery should pay attention to the following questions: (1) grasp the significance of preoperative AJCC staging; (2) the importance of neoadjuvant therapy of c T3 or lymph node-positive rectal cancer; (3) the correct choice of low rectal cancer Of anal surgery; (4) the partial resection of rectal cancer problems.