In this group, the operative methods included laparoscopic left colectomy(1 case),right colectomy(1 case),sigmoidectomy(9case) and rectectomy(Miles: 7 case or Dixon:9 case).

• 27例中,右半结肠切除术1例,左半结肠切除术1例,乙状结肠切除术9例,直肠前切除术(Dixon)9例,直肠癌根治术(Miles)7例。