Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right - sided pleural pigtail catheter in situ . Interval increase in size of the right - sided pleural effusion . Left pleural catheter in situ . Interval increase in size of the left - sided pleural effusion . No pneumothorax . Left - sided prepectoral Port - A - Cath in situ with its position unchanged .
    OUTPUT:
    
Interval increase in size of the bilateral pleural effusions .