title: Mediastinal and extrapleural masses in a young adult.
mesh_terms: D000328:Adult; D006801:Humans; D008297:Male; D008479:Mediastinal Neoplasms / Q000000981:diagnostic imaging*; D009456:Neurofibromatosis 1 / Q000000981:diagnostic imaging*; D011859:Radiography; D013899:Thoracic Neoplasms / Q000000981:diagnostic imaging*