Figure 3From: Peri-operative chemotherapy for the treatment of resectable liver metastases from colorectal cancer: A systematic review and meta-analysis of randomized trials Overall Survival. Overall survival with peri-operative chemotherapy compared with surgery alone. The summary hazard ratio (HR) was 0.94 (95% CI, 0.80-1.10; P = 0.43) for peri-operative chemotherapy compared with surgery alone.Back to article page