Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Interval placement of bilateral pleural pigtail catheters . A left - sided pleural effusion has decreased in size . There is persistent patchy increased airspace opacities which appear improved compared to the previous study . No pneumothorax .
    OUTPUT:
    
Interval placement of bilateral pleural pigtail catheters with improvement of pleural effusions and no pneumothorax . Reviewed with Dr . ___ .