FINDINGS:
AP upright and lateral views of the chest provided.  There is a layering right
 pleural effusion, small to moderate in size with associated compressive lower
 lobe atelectasis.  Difficult to exclude an underlying pneumonia.  The left
 lung is clear.  Hila appear somewhat congested.  No overt pulmonary edema. 
 The heart is moderately enlarged.  Mediastinal contour is normal.  Imaged
 osseous structures appear intact.

IMPRESSION:
Moderate cardiomegaly with hilar congestion and moderate right pleural
 effusion.  Compressive right lower lung atelectasis, difficult to exclude
 pneumonia.