Surgery for colorectal liver metastases: The evolution of determining prognosis

Figure 1 Survival after hepatic resection stratified by the clinical risk score. Open box: score 0 (n = 52); filled triangle: score 1 (n = 262); open circle: score 2 (n = 350); filled circle: score 3 (n = 243); filled box: score 4 (n = 80); open triangle: score 5 (n = 14). P < 0.0001 (from Fong et al[9]). Used with permission.