Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: As on prior , there is apparent elevation of the right hemidiaphragm with the possibility of a subpulmonic effusion . Increased opacity at the adjacent right lung base has progressed since prior . Indistinct pulmonary vascular markings seen throughout . There is no large left effusion . The cardiac silhouette is significantly enlarged .
    OUTPUT:
    
Increased right lung base opacity potentially atelectasis given elevation the right hemidiaphragm versus infection . Enlarged cardiac silhouette with a configuration raising the possibility of a pericardial effusion . Mild pulmonary edema .