Figure 3. Validation of OS-related genes in the GSE21257 and GSE39055 cohort. (A) Validation group was divided into high- and low-risk groups using the median risk score as the cutoff value. (B) the relationship between risk score and survival time and status of patients. (C) K-M plot of high and low risk groups in validation group (p = 0.007). (D) AUCs for 1-, 3-, and 5-year survival according to ROC curves.