FINDINGS:
Heart size is normal.  Mediastinal and hilar contours are unremarkable. 
 Pulmonary vascularity is normal.  Lungs are hyperinflated but clear.  No
 pleural effusion or pneumothorax is present.  There are no acute osseous
 abnormalities.

IMPRESSION:
No acute cardiopulmonary abnormality.  Hyperinflated lungs, suggestive of
 underlying COPD.