Fig. 7

Internal and external validation of the risk model. A KM curves of the OS in the internal validation cohort. B ROC curves and AUC in the training cohort of the risk model. C KM curves of the OS in the GSE13507 validation cohort. D ROC curves and AUC in the GSE13507 validation cohort of the risk model. E KM curves of the OS in the GSE48276 validation cohort. F ROC curves and AUC in the GSE48276 validation cohort of the risk model