Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are extremely low resulting in bibasilar atelectasis . There small bilateral pleural collections . The lungs are otherwise clear . Cardiomediastinal silhouette AP is unremarkable . A biliary drainage catheter is noted .
    OUTPUT:
    
1 . Extremely low lung volumes resulting in bibasilar atelectasis . Superimposed consolidation would be difficult to exclude . 2 . Small bilateral pleural effusions are new .