_:vb50952556 . _:vb50952556 . _:vb50952556 . _:vb50952556 . _:vb50952556 . _:vb50952556 "url:https://www.ncbi.nlm.nih.gov/pubmed/6506393"^^ . _:vb50952556 "A prostate carcinoma that derives_from transitional epithelial cells."^^ .