PAICS and neoplasm: The expression level of PAICS in the tumor tissues of BLCA, BRCA, COAD, ESCA, GBM, HNSC, LIHC, LUAD, LUSC, PRAD, READ, STAD, THCA, UCEC (p < 0.001), CESC, SKCM (p < 0.01), CHOL, and PAAD (p < 0.05) is higher than the corresponding control tissues.