[Urachal tumor: report of two cases].
D000230:Adenocarcinoma / Q000473:pathology*; D000368:Aged; D005260:Female; D006417:Hematuria / Q000209:etiology; D006801:Humans; D008297:Male; D008875:Middle Aged; D014497:Urachus / Q000473:pathology*; D001749:Urinary Bladder Neoplasms / Q000473:pathology*