1993年7月～2002年9月我科对不宜手术及拒绝接受手术治疗的高年直肠癌患者47例行冷冻治疗(排除失访,因合并症及发生意外的死亡病例)。现分析如下。1材料与方法1.1临床资料选择直肠内癌肿上距肛门7cm以内;隆起型,范围不超过肠壁1/4周径,癌肿直径不超过2cm,且有一定活动度的早期 From July 1993 to September 2002, 47 cases of patients with rectal cancer who were unfit for surgery and who refused surgery were excluded from our department (except for follow-up, complications and accidental deaths). Analysis is as follows. 1 Materials and methods 1.1 Clinical data Select the rectal cancer within 7cm from the anus; uplift type, the range does not exceed 1/4 of the intestinal wall diameter, the diameter of cancer does not exceed 2cm, and a certain degree of early mobility