SERPINE1 and glioblastoma: As shown in Supplementary Figure S1, SERPINE1 showed high diagnostic value in 11 kinds of cancers (AUC > 0.7), including CHOL, COAD, ESCA, GBM, HNSC, KICH, KIRC, KIRP, LIHC, READ, and STAD, indicating its crucial role in cancer diagnosis.