GAB2 and adrenal cortex carcinoma: In our study, we found that GAB2 was associated with immune cell infiltration in ACC, BRCA, COAD, HNSC, KIRC, KIRP, LGG, LIHC, LUAD, LUSC, PAAD, PRAD, READ, STAD, TGCT, THCA and THYM.