在20世纪后半期,直肠癌局部切除以其手术创伤小、术后恢复快和可避免结肠造口等优点引起人们的注意。直肠癌的局部切除是指完整切除肿瘤以及其周围正常的组织,它并非姑息性手术,而是在保证根治情况下的最小范围的切除术,因而也是保存肛门括约肌功能最理想的切除术。根据病人的 In the latter half of the 20th century, local excision of rectal cancer draws attention due to its advantages of less trauma, quick recovery and avoidable colostomy. Local resection of rectal cancer refers to the complete resection of the tumor and the surrounding normal tissue. It is not a palliative surgery but a minimal excision to ensure radical treatment, and is therefore the most ideal resection for preserving anal sphincter function. According to the patient’s