FINDINGS:
Single portable view of the chest is compared to previous exam from
 .  Compared to prior, there has been no significant interval
 change.  Dense retrocardiac opacity is again seen silhouetting of the
 hemidiaphragm.  The right lung remains grossly clear.  Mild pulmonary vascular
 congestion is unchanged.  Cardiac silhouette is enlarged, but stable and
 notable for a prosthetic device.

IMPRESSION:
No significant interval change since  noting left basilar
 opacity due to combination of pleural effusion with underlying atelectasis and
 possible consolidation.