ESRRB exhibited high expression levels in GBM, GBMLGG, LGG, UCEC, OV, UCS, ALL, LAML, and CHOL, but was poorly expressed in BRCA, LUAD, ESCA, STES, KIRP, KIPAN, COAD, COADREAD, PRAD, STAD, Head and Neck Cancer (HNSC), KIRC, LUSC, LIHC, WT, SKCM, BLCA, THCA, Rectal Cancer (READ), PAAD, TGCT, and KICH (Figure 1B). Here, BCR is linked to rectal cancer.