FINDINGS:
Mild cardiomegaly is unchanged.  Right IJ line terminates at the distal SVC. 
 Port-A-Cath tip terminates at the distal SVC.  Replaced mitral valve is
 unchanged in position.  No pleural effusion or pneumothorax is seen. 
 Bibasilar atelectasis is unchanged.

IMPRESSION:
No evidence of pneumonia or pleural effusions.  No significant changes
 compared to prior study.