FINDINGS:
The heart size is unchanged.  Mediastinal contours are stable. 
 Pulmonary vasculature is normal.  Low lung volumes may account for left lower
 lobe opacities, which are also present prior on the prior film.  No focal
 consolidations concerning for pneumonia are present.  No pneumothorax or
 pleural effusion.

IMPRESSION:
No evidence of pneumonia.