FINDINGS:
The cardiac silhouette is enlarged. Sternal wires are grossly intact, aligned
 and unchanged since prior study.  Retrocardiac opacity has improved. There is
 elevation of left hemidiaphragm, with mild atelectasis seen at the left lung
 base. No focal consolidation identified.

IMPRESSION:
1. Sternal wires appears grossly intact and aligned on this single frontal
 chest radiograph.
 
 2. Persistent elevation of left hemidiaphragm with mild atelectasis at the
 left lung base.