Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The right pleural effusion is improved compared to prior imaging . The left pleural effusion is unchanged . A PleurX catheter is noted in the new position . An esophageal stent is noted in good position . The mediastinal silhouette is stable .
    OUTPUT:
    
1 . Unchanged left - sided pleural effusion . 2 . Improved right - sided pleural effusion .