ERVMER34-1 and neoplasm: Accordingly, cohorts of the lung (LUSC), breast (BRCA), uterus (UCEC, UCS), cervix (CESC), esophagus (ESCA), and bladder (BLCA) showed significant tumor activation of HEMO, clearly above the level of HEMO expression in healthy kidney (median fold changes T/N and T/Kid‐N > 2).