title: Metastatic osteosarcoma of the maxilla.
mesh_terms: D002648:Child; D005266:Femoral Neoplasms; D006801:Humans; D008297:Male; D008441:Maxillary Neoplasms / Q000473:pathology; D009362:Neoplasm Metastasis; D012516:Osteosarcoma / Q000473:pathology; D010166:Palliative Care