Methods: Live anatomical observation was carried out on 24 rectal cancer patients undergoing LTME from Oct 2004 to May 2005.Results: The abdominal segment of the left ureter ran medially and was close to the left mesocolon.

• 方法:利用腹腔镜对2004年10月~2005年5月接受LTME的24例直肠癌患者进行解剖学观察。 结果:左输尿管腹段偏向中线侧走行,与左半乙状结肠系膜关系密切;