Heatmap of mRNA expression, risk score, time-dependent ROC curve, and Kaplan-Meier survival curve for signature. (a) Heatmap of mRNA expression, risk score, time-dependent ROC curve, and Kaplan-Meier survival curve in the training set of GSE14520. (b) Heatmap of mRNA expression, risk score, time-dependent ROC curve, and Kaplan-Meier survival curve in the validation set of GSE14520. (c) Heatmap of mRNA expression, risk score, time-dependent ROC curve, and Kaplan-Meier survival curve in the whole GSE14520. (d) Heatmap of mRNA expression, risk score, time-dependent ROC curve, and Kaplan-Meier survival curve in the GSE76427. Abbreviations. HCC: hepatocellular carcinoma; ROC: receiver operating characteristic.