• Osteosarcoma of the Chest Wall Presenting as Heterotopic Ossification in the Breast

    Patient History 

    The patient was a 47-year-old female with a tumor of the right anterior chest wall involving the right subpectoral area and displacing the right breast anteriorly. The lesion originated as a small, solid mass that the patient noticed along with hardening of the inferior pole of her right brea ...