title: [Urachal tumor with bone formation].
mesh_terms: D000230:Adenocarcinoma / Q000473:pathology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D009999:Ossification, Heterotopic; D014497:Urachus; D001749:Urinary Bladder Neoplasms / Q000473:pathology*