COMMD2 was expressed at significantly higher levels in the tumor tissues of 10 various cancer types, including bladder cancer (BLCA), cervical squamous cell carcinoma (CESC), cholangiocarcinoma (CHOL), colorectal adenocarcinoma (COAD), esophageal cancer (ESCA), glioblastoma multiforme (GBM), head and neck squamous cell carcinoma (HNSC), LIHC, lung squamous cell carcinoma (LUSC) and stomach adenocarcinoma (STAD), than in the corresponding normal tissues. The gene discussed is COMMD2; the disease is bladder transitional cell carcinoma.