**Figure 5.** **Construction of the risk score signature.** (**A**) Risk signature in the TCGA cohort. (**B**) Kaplan-Meier analysis according to risk score in the TCGA cohort. (**C**) The ROC curves depicting the sensitivity and specificity of risk score in predicting the 1-, 3- and 5-year survival in the TCGA cohort. (**D**) Risk signature in the CGGA mRNAseq-693 cohort. (**E**) Kaplan-Meier analysis according to risk score in the CGGA mRNAseq-693 cohort. (**F**) The ROC curves depicting the sensitivity and specificity of risk score in predicting the 1-, 3- and 5-year survival in the CGGA mRNAseq-693 cohort. (**G**) Risk signature in the CGGA mRNAseq-325 cohort. (**H**) Kaplan-Meier analysis according to risk score in the CGGA mRNAseq-325 cohort. (**I**) The ROC curves depicting the sensitivity and specificity of risk score in predicting the 1-, 3- and 5-year survival in the CGGA mRNAseq-325 cohort.