EFNB1 was significantly distinctly expressed in 26 cancer types, with higher expression in cancer tissues observed in GBM, LGG, CESC, ESCA, STES, COAD, STAD, HNSC, LIHC, WT, OV, PAAD, UCS, ALL, LAML, and CHOL and lower expression observed in UCEC, BRCA, LUAD, KIRP, PRAD, KIRC, SKCM, THCA, PCPG, and KICH (Supplementary Figure S1F). Here, BCR is linked to cancer.