In this study, a total of 108 patients with primary colorectal cancer who underwent hybrid 2-port hand-assisted laparoscopic surgery (HALS) were classified as 58 patients with colon cancer and 50 patients with rectal cancer. The mean operating time, mean blood loss, postoperative complications, and mean postoperative hospital stay were compared between the two groups. In patients who underwent colon cancer surgery, the mean operating time was 2 h and 26 min, the mean blood loss was 166.3 ml, and the postoperative complications were wound infection in 5/58 patients (8.6%), postoperative ileus in 3 patients (5.2%), and anastomotic stricture in 1 patient (1.7%). There was no anastomotic leakage and no conversion to conventional open laparotomy. The mean postoperative hospital stay was 12.6 days. In patients who underwent rectal cancer surgery, the mean operating time was 3 h and 38 min, the mean blood loss was 238.8 ml, and the postoperative complications consisted of wound infection in 6/50 patients (12.0%), anastomotic leakage in 3/35 patients (8.6%), anastomotic stricture in 3/47 patients (6.4%), postoperative ileus in 3/50 patients (6.0%), and conversion to conventional open laparotomy in 1/50 patients (2.0%). A covering stoma was constructed during surgery in 12/47 patients (25.5%). The mean postoperative hospital stay was 19.1 days. These results suggest that hybrid 2-port HALS (Mukai's operation) could become a standard method for the treatment of colorectal cancer, and that the long-term outcome should be compared in detail with that of standard laparotomy in the future.

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