Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Severe enlargement of the cardiac silhouette is re - demonstrated . The mediastinal and hilar contours are unchanged . There is mild upper zone vascular redistribution suggestive of mild pulmonary vascular congestion . Right basilar patchy opacities and adjacent basolateral pleural thickening are similar , with no new areas of focal consolidation demonstrated . Small bilateral pleural effusions are unchanged . No pneumothorax is identified . There are no acute osseous abnormalities .
    OUTPUT:
    
Small bilateral pleural effusions and unchanged marked enlargement of cardiac silhouette compatible with known pericardial effusion . No new focal consolidation identified . Mild pulmonary vascular congestion .