In 568 patients with colonic and rectal cancer treated in our hospital from January 1970 to January 1991, 266 had colonic cancer and 302 rectal cancer. 469 patients (263 rectal and 233 colonic) were operated on. A total of 382 patients (186 and 196 colonic) were resectable. The average resection rate was 76.6%. 68 patients (30 rectal and 38 colonic) had hepatic metastasis with a rate of 11.97%. 13 patients (19.1%) had hepatic metastasis focus resected.