Figure 7

The correlation of risk score with immune checkpoints in the TCGA cohort. (A) Comparison of expression of immune checkpoints between high- and low-risk score group (B) The correlation between the risk score and expression of immune checkpoints. Kaplan–Meier analysis of the four groups based on the risk score and the expression of PD-L1 (C), PD-1 (D) and CTLA-4 (E).