Mammary osteogenic sarcoma.
D001943:Breast Neoplasms / Q000473:pathology / Q000601:surgery; D005260:Female; D006801:Humans; D008408:Mastectomy; D008875:Middle Aged; D009362:Neoplasm Metastasis; D012516:Osteosarcoma / Q000473:pathology / Q000601:surgery