目的探讨大肠癌术后腹腔化疗的优点。方法对1998年1月至2004年3月手术切除后的中晚期大肠癌患者采用腹腔化疗,观察其疗效。结果3年无瘤存活26例;D期1例,术中证实有肝转移,1年后复查CT未见瘤体;死亡例。结论大肠癌术后行腹腔化疗,在提高术后3年无瘤生存率、减少术后腹腔内复发和肝转移有一定疗效。 Objective To investigate the advantages of postoperative intraperitoneal chemotherapy for colorectal cancer. Methods From January 1998 to March 2004 after surgery in patients with advanced colorectal cancer using intraperitoneal chemotherapy to observe its efficacy. Results There were 26 cases with no tumor in 3 years and 1 case in D stage. Liver metastasis was confirmed during operation and CT was not found after 1 year. Cases of death were found. Conclusion Intraperitoneal chemotherapy after operation of colorectal cancer can improve tumor-free survival rate after 3 years and reduce postoperative intra-abdominal recurrence and liver metastasis.