The expression levels of the CDC20 gene were significantly elevated in the cancer tissues of BLCA, BRCA, CESC, CHOL, COAD, ESCA, HNSC, KIRC, KIRP, LIHC, LUAD, LUSC, PAAD, PCPG, PRAD, READ, STAD, THCA, UCEC, compared with corresponding normal tissues (Figure 1A and Supplementary Table 1). This evidence concerns the gene CDC20 and cancer.