FINDINGS:
There are increased interstitial markings bilaterally not
 significantly changed from , but no focal opacities.  Heart size is
 top normal.  The aorta is tortuous.  There is no pleural effusion or
 pneumothorax.  Sternotomy wires as well as mediastinal surgical clips from
 prior CABG are re-demonstrated and unchanged in position.

IMPRESSION:
Diffuse increased interstitial markings are compatible with
 minimal interstitial edema.  No focal opacities concerning for pneumonia.