Based on the TCGA and CGGA datasets, we proved that PTX3 positively correlated with CD276, CD274, PDCDL1LG2, HAVCR2, CD80, IDO1, and PDCD1 in pan‐glioma, GBM, and LGG (Figure S8E,F). This evidence concerns the gene PDCD1 and glioblastoma.