In previous studies, PD‐L1 (programmed death ligand 1),8 TIM3 (T‐cell immunoglobulin mucin‐3),9 and IDO1 (indoleamine 2,3‐dioxygenase 1)10 transcript levels were strongly correlated with immune responses and prognosis in gliomas. This evidence concerns the gene CD274 and glioma.