The IRF7 high‐expression group included WHO grade II, WHO grade III, WHO grade IV, 1p19q non‐codeleted, IDH wild‐type, progressive disease and stable disease, astrocytoma, oligoastrocytoma, oligodendroglioma, and glioblastoma tumors and had a worse prognosis (p < 0.05) (Figure S3A‒O). The gene discussed is IDH1; the disease is oligodendroglioma.