Coaclusion: With general treatment and low dose radiotherapy, the therapeutics of reserving anus in low rectal carcinoma may increase survival quality, reduce complication and recurrence rate.

• 结论低位直肠癌的保守治疗，可通过单项减量、综合治疗以降低局部并发症和复发率，从而提高患者的生存质量。