Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest . As on prior , there are small - to - moderate effusions , not significantly changed . Degree of cardiomegaly is unchanged with possible underlying effusion not excluded . Prominence of interstitial markings is again seen but slightly improved compared to prior exam . No acute osseous abnormality is identified .
    OUTPUT:
    
Persistent volume overload with mild - to - moderate bilateral effusions . Slightly less prominent interstitial edema when compared to prior . Unchanged degree of enlargement of the cardiac silhouette potentially combination of cardiomegaly and pericardial effusion .