In total cancers, the cancer types with differentially expressed ACE2 were kidney chromophobe (KICH), breast invasive carcinoma (BRCA), prostate adenocarcinoma (PRAD), thyroid carcinoma (THCA), liver hepatocellular carcinoma (LIHC) and stomach adenocarcinoma (STAD). Here, ACE2 is linked to invasive breast carcinoma.