Results: The reasons for LE were refusal of RR, insistence on anus preservation, high surgical and anesthetic risks of major surgery and unresectable distant metastases.

• 结果：接受局部切除手术之原因为拒绝根除性手术、坚绝保留肛门、病患有较高之手术及麻醉风险及已发生多处转移。