FINDINGS:
Chest, PA and lateral radiographs demonstrate clear lungs with no
 pleural effusion or pneumothorax evident.  Heart size is mildly enlarged with
 an unfolded aorta.  Fullness in the right upper mediastinal region likely
 represents mediastinal vessels.  Right paratracheal stripe is maintained.

IMPRESSION:
Mildly enlarged cardiac silhouette. No evidence of pneumonia or
 pleural effusions.