Figure 4. The risk score of PD-L1-related lncRNAs reflects the clinical, pathological, and genetic characteristics of glioma. (A) Heatmap displaying risk scores, clinical information, and pathological features of glioma patients. (B) Analysis of tumor mutation burden (TMB). (C, D) 20 mutation sites in high-risk and low-risk groups. (E) Risk score-related somatic mutations.