Middle mediastinal lesion.
D000328:Adult; D001982:Bronchial Diseases / Q000000981:diagnostic imaging*; D003560:Cysts / Q000000981:diagnostic imaging*; D003937:Diagnosis, Differential; D004938:Esophageal Neoplasms / Q000175:diagnosis; D006551:Hernia, Hiatal / Q000175:diagnosis; D006801:Humans; D007889:Leiomyoma / Q000175:diagnosis; D008168:Lung / Q000000981:diagnostic imaging; D008297:Male; D008476:Mediastinal Cyst / Q000000981:diagnostic imaging*; D008479:Mediastinal Neoplasms / Q000175:diagnosis; D011859:Radiography