IMPRESSION:
Comparison to .  The patient has been intubated.  The tip of
 the endotracheal tube projects approximately 2.5 cm above the carinal.  There
 continues to be severe left diaphragmatic elevation but in addition there is a
 diffuse parenchymal opacity in the entire left lung, showing multiple air
 bronchograms and highly suspicious for either pneumonia or aspiration. 
 Unchanged mild an likely atelectatic opacity at the right lung bases.  Stable
 size of the cardiac silhouette.