Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were obtained . In comparison to the prior radiographs , patient is status post removal of pericardial drainage catheter . The cardiac silhouette is largely obscured by increased size of large left pleural effusion with adjacent atelectasis . A small - to - moderate right effusion appear is also new . There is no focal consolidation or edema . No pneumothorax .
    OUTPUT:
    
Interval development of large left and small - to - moderate right pleural effusions , of unclear etiology , and adjacent atelectasis .