The results in Fig. 1C showed that the expression levels of RFC2 gene were significantly increased in adrenocortical carcinoma (ACC), BLCA, BRCA, cervical cancer (CESC), CHOL, COAD, ESCA, GBM, HNSC, KICH, KIRC, KIRP, LGG, LIHC, LUAD, LUSC, ovarian cancer (OV), pancreatic cancer (PAAD), PRAD, READ, skin cutaneous melanoma (SKCM), STAD, testicular germ cell tumor (TGCT), THCA, UCEC, and uterine carcinosarcoma (UCS). Here, RFC2 is linked to bladder transitional cell carcinoma.