IMPRESSION:
AP chest compared to , 12:41 p.m.:
 
 Previous vascular engorgement, mild pulmonary edema, and mediastinal widening
 have all cleared following extubation.  There is no pneumothorax or
 appreciable atelectasis.  Only a tiny left pleural effusion remains following
 removal of the pleural tube.  Swan-Ganz catheter ends in the proximal main
 pulmonary artery.