直肠癌根治术,结肠、直肠低位Ⅰ期吻合,若结肠游离不充分,易致结肠脾曲成角,术后结肠脾曲梗阻。我院于1979年6月至1998年12月行直肠癌根治术361例,其中术后致结肠脾曲梗阻3例,报告如下。例1　男性,53岁。因排便困难,大便变形及便血40ｄ就诊。肛门指诊于距肛缘9ｃｍ处触及直肠肿 Rectal cancer radical surgery, colon, rectal low I anastomosis, if the colon is not fully free, easy to cause colonic spleen angle, postoperative colon spleen curvature obstruction. In our hospital from June 1979 to December 1998, 361 cases underwent radical resection of rectal cancer, among which there were 3 cases of postoperative colonic splenic obstruction. The report is as follows. Example 1 Male, 53 years old. Due to difficulty in defecation, stool deformity and blood in the stool were treated for 40 days. Anal finger touched rectum at 9cm from the anal verge