Objective To evaluate the therapeutic effect,prognostic factors and the methods to improve long term survival of liver resection for hepatic metastases of colorectal cancer.Methods 52 patients operated on for hepatic metastases from colorectal cancer were followed up,and the clinical and pathologic data of 11 (cases),who survived more than 5 years,were compared with 41 survivors of less than 5 years after hepatic (resection).Results The 1-,3-and 5-year survival rate was 75.0%,30.8%,and 21.2%,(respectively).The important factors affecting prognosis were pathologic type of the primary cancer,(number) of (hepatic) metastasis,selection of the methods and timing of surgery,and postoperative treatment(P