Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is enlarged but stable . Mediastinal silhouette and hilar contours are normal . There has been significant decrease in right pleural effusion , now with small remnant amount of fluid . There is mild bibasilar atelectasis . Lungs are otherwise clear . There is no pneumothorax .
    OUTPUT:
    
Significant decrease in amount of right pleural effusion .