title: Twenty-seven year old male with pain in left shoulder and chest.
mesh_terms: D000328:Adult; D006801:Humans; D008297:Male; D008479:Mediastinal Neoplasms / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000473:pathology; D011859:Radiography; D013945:Thymoma / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000473:pathology