PBK and neoplasm: Higher PBK/TOPK mRNA expression levels were detected in other tumors, such as BLCA, BRCA, CHOL, COAD, ESCA, HNSC, KICH, KIRC, KIRP, LIHC, LUAD, LUSC, PRAD, READ, STAD, THCA, and UCEC, than in tumor tissues compared to normal tissues (Figure 1(b); for additional details, see Table S1).