Interestingly, FDX1 was significantly associated with most genes in ACC, BRCA, KIRC, LGG, LIHC, PCPG, SARC, SKCM, TGCT, THCA and other malignant tumors, and was highly consistent with the previous GSEA enrichment results. Here, FDX1 is linked to adrenal cortex carcinoma.