title: Primary osteogenic sarcoma of the bladder.
mesh_terms: D000368:Aged; D003131:Combined Modality Therapy; D006801:Humans; D008297:Male; D012516:Osteosarcoma / Q000473:pathology / Q000532:radiotherapy / Q000601:surgery*; D001749:Urinary Bladder Neoplasms / Q000473:pathology / Q000532:radiotherapy / Q000601:surgery*