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近年来直肠癌保留自然肛门的各种术式及受术者日渐增多。大量的资料说明，这一趋势很有前途。我所1978年1月～1987年4月，共施行直肠癌切除手术178例，其中106例低位直肠癌（距肛缘4～8cm）保留了自然肛门。对106例随访，失访4例，随访率为96.22％。确定术后局部复发13例（12.27％），对其复发原因分析讨论如下：
In recent years, there have been more and more surgical procedures for the rectal cancer to retain the natural anus. A lot of information shows that this trend is promising. From January 1978 to April 1987, 178 cases of rectal cancer resection were performed, of which 106 cases of low rectal cancer (4 to 8 cm from the anal margin) retained the natural anus. Follow-up was performed in 106 cases and 4 cases were lost to follow-up. The follow-up rate was 96.22%. Localized recurrence was confirmed in 13 cases (12.27%). The analysis of the causes of recurrence was discussed as follows: