[PNEUMOMEDIASTINOGRAPHY IN THE DIAGNOSIS OF BENIGN TUMORS AND  CYSTS OF THE MEDIASTINUM].
D003560:Cysts; D006801:Humans; D008476:Mediastinal Cyst; D008478:Mediastinal Emphysema; D008479:Mediastinal Neoplasms; D008482:Mediastinum; D009369:Neoplasms; D011012:Pneumomediastinum, Diagnostic
MEDIASTINAL CYST; MEDIASTINAL NEOPLASMS; PNEUMOMEDIASTINUM, DIAGNOSTIC