Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are bibasilar opacities compatible with small to moderate pleural effusions . Superiorly , the lungs are clear given relatively low lung volumes . Cardiac silhouette is also accentuated by low lung volumes , with possible superimposed cardiomegaly . Left - sided pleural catheter is noted .
    OUTPUT:
    
Persistent small the moderate bilateral pleural effusions . Left - sided pleural catheter is noted .