Metastatic osteosarcoma to the heart and mediastinum presenting as esophageal obstruction.
D004940:Esophageal Stenosis / Q000209:etiology*; D006338:Heart Neoplasms / Q000000981:diagnostic imaging / Q000556:secondary*; D006801:Humans; D008297:Male; D008479:Mediastinal Neoplasms / Q000000981:diagnostic imaging / Q000556:secondary*; D008875:Middle Aged; D012516:Osteosarcoma / Q000000981:diagnostic imaging / Q000556:secondary*; D013997:Time Factors; D014057:Tomography, X-Ray Computed