Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A left PICC terminates at the cavoatrial junction . A right thoracostomy tube and esophageal stent are unchanged in position . A right pleural effusion has improved , with a small amount of fluid remaining . A small left pleural effusion appears slightly enlarged . Cardiac and mediastinal contours are unchanged . There is no pneumothorax .
    OUTPUT:
    
1 . Improved right pleural effusion , with a small amount of fluid remaining . 2 . Small left pleural effusion appears slightly enlarged .