直肠癌特别是低位直肠癌的手术治疗,已不再满足于单纯的术后长期生存,对术后正常的生理功能和生活质量提出了更高的要求。由于近年来保留盆腔自主神经 (pelvicautonomicnervepreservation, PANP)、全直肠系膜切除术等新观念的导入,以及直肠癌浸润转移规律的重新认识和吻合 Surgical treatment of rectal cancer especially low rectal cancer is no longer satisfied with simple long-term survival after surgery, postoperative normal physiological function and quality of life put forward higher requirements. Due to recent introduction of new concepts such as pelvic autonomic nerve preservation (PANP) and total mesorectal excision, and re-recognition and anastomosis of the invasion and metastasis of rectal cancer