IMPRESSION:
Previous small to moderate right apical pneumothorax has decreased, partially
 replaced by the pleural fluid. Very severe subcutaneous emphysema still
 present in the right chest wall may have increased in the right neck.  Right
 pleural drain ascendsto the level of the aortic arch and terminates in a basal
 pleural sulcus. Heart size top-normal. Lung bases mildly atelectatic. Upper
 lungs clear.