**Figure 9.** **Consensus clustering based on nine prognostic SCRGs expression.** (**A**) PCA depicted the distribution for clusters. (**B**) Survival analysis based on the two clusters. (**C**) The Sankey diagram of the connection between clusters and high-and low-risk group. (**D**) ESTIMATEScore difference between two clusters. (**E**) SromalScore difference between two clusters. (**F**) ImmuneScore difference between two clusters. (**G**) TumorPurity difference between two clusters. (**H**) Expression difference of immune checkpoints between two clusters. (^{*}*P* < 0.05; ^{**}*P* < 0.01; ^{***}*P* < 0.001).