Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right - sided central venous catheter is again seen . There is been interval development of a large right pleural effusion with underlying atelectasis . There is also small left pleural effusion . Where aerated , the lungs are clear of confluent consolidation noting vascular congestion . The cardiomediastinal silhouette can not be accurately assessed .
    OUTPUT:
    
Large right and small left pleural effusions increased since prior .