FINDINGS:
Interval resolution of the pneumomediastinum and subcutaneous emphysema
 extending into the neck.  Widespread fibrotic interstitial lung disease is
 again demonstrated as well as increasing confluence of opacification in the
 left perihilar and retrocardiac regions, are stable in appearance when
 compared to the most recent examination.

IMPRESSION:
Interval resolution of the pneumomediastinum and subcutaneous emphysema
 extending into the neck.
 
 Widespread fibrotic interstitial lung disease, in keeping with known NSIP.