Fig. 7From: Six genes involved in prognosis of hepatocellular carcinoma identified by Cox hazard regressionResults of validation cohort. a Comparison of risk score between tumor and normal samples. b KM survival curve, the cutoff divided tumor samples into two groups was the median of risk scores. c Distribution of risk score relative to tumor stage in HCC. d Comparison of risk score between small and large tumors. The diameter of 5Â cm was the cutoff valueBack to article page