POLD4 and glioblastoma: Moreover, the survival durations in GBM, COAD, HNSC, KIRC, LAML, LGG, LUAD, LUSC, PESO, PAAD, PCPG, SARC, STAD, TGCT, UVM, and SKCM were significantly reduced with an elevation in POLD4 expression, as evidenced by the Kaplan–Meier curves (Figure S5).