摘要
<正>直肠癌是发病率较高的一种恶性肿瘤[1, 2]。而低位直肠是直肠癌高发部位,因其解剖位置的特殊性,是治疗的难点。低位直肠癌通常被定义为距离肛缘<5 cm或距离肛管直肠交界处<3 cm的直肠癌[3]。腹会阴联合切除术(abdominoperineal resection,APR)是治疗低位直肠癌不保肛手术的标准术式。但研究发现传统的APR手术存在较高的标本环周切缘
引文
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