BCR and glioblastoma: The mRNA expression of EFNA2 in tumor tissues of GBM, LGG, UCEC, BRCA, CESC, LUAD, ESCA, STES, KIRP, COAD, PRAD, STAD, KIRC, LUSC, WT, SKCM, BLCA, THCA, OV, PAAD, TGCT, UCS, ALL, LAML, PCPG, and ACC was higher than that in corresponding normal tissues.