The results revealed that the expression of EFHD2 was closely related to the OS of 12 kinds of cancer patients, including ACC, BLCA, BRCA, KICH, KIRC, LAML, LIHC, LUAD, SKCM, STAD, THYM, and UVM tumor (Figure 4). This evidence concerns the gene EFHD2 and adrenal cortex carcinoma.