Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Interval decrease in size of the right pleural effusion . There is a persisting opacification in the right lower lung zone which may reflect re-expansion pulmonary edema and / or atelectasis . No right pneumothorax . There is no focal consolidation , pleural effusion or pneumothorax in the left lung . The size of the cardiomediastinal silhouette is within normal limits .
    OUTPUT:
    
Status post right thoracentesis with interval decrease in size of the right pleural effusion . Persisting airspace opacities in the right lower lung zone may reflect re-expansion pulmonary edema and / or atelectasis . No pneumothorax .