In recent times, there is growing practice of offering patients a watch and wait option in whom there appears to be a complete clinical response following chemo radiotherapy. This programme requires a strict follow up protocol to detect any early regrowth of the rectal cancer. The recognition of performing rectal surgery with TME resulted in reduction of local recurrence rates from 40% to around 4% along with improved 5-year survival rates approaching 87%. (1-2) However, TME surgery is technically demanding owing to the complicated anatomy of the pelvis.

中文翻译：

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观察和等待计划中直肠癌再生后的腹腔镜直肠切除术

近来，越来越多的做法是为患者提供观察和等待选项，其中化疗放疗后似乎有完全的临床反应。该计划需要严格的跟进协议来检测直肠癌的任何早期再生。对使用 TME 进行直肠手术的认可导致局部复发率从 40% 降低到 4% 左右，同时 5 年生存率提高了接近 87%。(1-2)然而，由于骨盆解剖结构复杂，TME手术对技术要求很高。