Figure 3. Prognostic analysis and performance assessment of TCGA and GEO. (A) Forest map showing six signature genes identified by a multivariate Cox regression analysis. (B, E) Kaplan-Meier survival curves and log-rank tests of six prognosis genes in TCGA and GEO. (C, F) Distribution of risk score, survival status and gene expression among patients in TCGA and GEO. (D, G) AUC values for 1-, 3-, and 5-year OS in TCGA and GEO.