ACE 2 - angiotensin converting enzyme 2; sc RNA seq - single cell RNA sequencing; FANTOM 5 CAGE database - Functional ANnoTation Of the Mammalian genome project CAGE measures RNA expression and maps TSS in promoters; GTEx database - Gene type Tissue Expression; TCGA - tissue cancer genome atlas portal; TMPRSS 2 -transmembrane protease serine 2; FDR - false discovery rate; SARS CoV 2 - severe acute respiratory syndrome coronavirus 2. The gene discussed is ACE2; the disease is cancer.