MRC1 and adrenal cortex carcinoma: However, it is important to note that, compared to the other four MMR genes, USP37 exhibits a weaker positive correlation with EPCAM and shows no correlation in certain tumors, including ACC, DLBC, ESCA, GBM, LGG, LUAD, MESO, SARC, SKCM, TGCT, UCS, and UVM (Figure 5A).