Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Small to moderate bilateral pleural effusions are seen . The heart is severely enlarged which is discordant with the mild pulmonary vascular congestion suggesting underlying pericardial effusion or cardiomyopathy . A retrocardiac opacity may represent atelectasis and / or fluid in the major fissure . Recommend comparison with prior outside hospital study .
    OUTPUT:
    
1 . Small to moderate bilateral pleural effusions . 2 . Severely enlarged heart discordant with mild pulmonary vascular congestion suggesting underlying pericardial effusion or cardiomyopathy . 3 . Retrocardiac opacity may represent is and / or fluid in the major fissure . Recommend comparison with prior outside hospital study .