Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Moderate left and small right pleural effusions are comparable to volumes on the CTA ___ for , certainly no bigger . Upper lungs are clear . Left hilus is mildly enlarged , right is not . Heart size normal . There is no distention of mediastinal veins to suggest and increased central venous pressure .
    OUTPUT:
    
Persistent moderate left and small right pleural effusion . No evidence of right or left heart decompensation .