Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right moderate pleural effusion with pigtail in place is slowly reaccumulating . Left pleural effusion has significantly improved after thoracocentesis and is minimal . There is no pneumothorax . Cardiac contour is severely enlarged and unchanged .
    OUTPUT:
    
There is no pneumothorax . Right moderate pleural effusion slowly reaccumulating ; pigtail pleural drainage catheter , unchanged in position may be clogged or isolated from the pleural space .