Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes remain low . There are bilateral small pleural effusions with associated atelectasis . Superimposed infection can not be excluded . Even allowing for the projection , the heart is enlarged . There is prominence of pulmonary vasculature consistent with mild pulmonary vascular congestion but no frank pulmonary edema . Left lower lobe atelectasis . No pneumothorax seen .
    OUTPUT:
    
Small bilateral pleural effusions are similar in degree when compared to the prior study .