Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac silhouette is enlarged but has decreased in size , and is accompanied by decreased caliber of the pulmonary vessels which appear more distinct than on the prior exam . Bilateral perihilar haziness has also improved in the interval . Mild residual peribronchial cuffing is seen on the right . Moderate right pleural effusion has probably decreased in size in the interval and appears to have a subpulmonic component . However , differences in positioning between the studies limit comparison .
    OUTPUT:
    
Marked improvement in congestive heart failure . Decrease in size of right pleural effusion with residual moderate right effusion with likely subpulmonic component .