FINDINGS:
PA and lateral views of the chest are obtained.  Midline sternotomy
 wires are noted.  The heart is mildly enlarged.  The lungs appear clear
 bilaterally.  No pleural effusion or pneumothorax is seen.  Mediastinal
 contour is unremarkable.  Bony structures are intact.  There is no free air
 below the right hemidiaphragm.

IMPRESSION:
Mild cardiomegaly.  No signs of CHF or pneumonia.