1080 Fig. 1 a Comparison of overall survivals of patients who underwent laparoscopic and open colorectal resection. b Comparison of cancer specific survivals of patients who underwent laparoscopic and open colorectal resection Fig. 2 a Comparison of overall survival of patients with stage I cancer. b Comparison of overall survival of patients with stage II cancer. c Comparison of overall survival of patients with stage III cancer Laparoscopic Open Laparoscopic Open p<0.001 p=0.002 In the analysis of survival of patients with non-disseminated disease, the overall and cancer specific survivals of those treated with laparoscopic resection were significantly better than those treated with open operation (Fig. 1a, b). The Int J Colorectal Dis (2012) 27:1077–1085 Laparoscopic Open Laparoscopic Open P=0.777 P=0.002 P=0.047 Laparoscopic Open