We observed that the molecular subtypes of these tumors in ACC, BRCA, COAD, HNSC, LGG, LIHC, PCPG, SKCM, and STAD were correlated with the expression of MATN3.MATN3 expression was higher in CIMP-high in ACC. The gene discussed is MATN3; the disease is adrenal cortex carcinoma.