title: Two unusual tumors of the urinary bladder.
mesh_terms: D000368:Aged; D006222:Hamartoma / Q000473:pathology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D014496:Urachal Cyst / Q000473:pathology; D001749:Urinary Bladder Neoplasms / Q000473:pathology*