Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Again seen are small bilateral pleural effusions . Mild interstitial edema is noted . The cardiac silhouette is enlarged but stable in configuration . Prosthetic valve is visualized as well as median sternotomy wires . No acute osseous abnormalities .
    OUTPUT:
    
Bilateral effusions and mild interstitial edema . Cardiomegaly .