Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A single portable AP view of the chest was obtained . In comparison to the prior study , there is a moderate - to - large left pleural effusion and adjacent compressive atelectasis . A small right pleural effusion is also probably present . The lungs are otherwise clear . Enlarged mediastinal and hilar nodes are better appreciated on CT .
    OUTPUT:
    
1 . Interval development of moderate - to - large left pleural effusion and small right effusion and adjacent compressive atelectasis . 2 . Mediastinal and hilar lymphadenopathy is better appreciated on CT .