目的：探讨与腹腔镜全直肠系膜切除术（LTME）有关的左输尿管解剖学特点和保护方法。
Objective: To explore the anatomical characteristics and the methods to prevent injuries of ureter in laparoscopic total mesorectal excision(LTME).
目的：探讨与腹腔镜全直肠系膜切除术（LTME）有关的左输尿管解剖学特点和保护方法。
Objective: To explore the anatomical characteristics and the methods to prevent injuries of ureter in laparoscopic total mesorectal excision(LTME).
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