MRC2 and neoplasm: According to the ssGSEA of MRC2 between normal and tumor groups, MRC2 activity was significantly increased in the tumor group of CHOL, ESCA, GBM, HNSC, KIRC, LUAD, and STAD, while decreased in the tumor group of BLCA, CESC, KICH, KIRC, KIRP, PRAD, and UCEC (Figure 1B).