Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since prior , there has been no significant interval change . The right pigtail pleural catheter is unchanged in position . Right pleural effusion is similar in size . Known left pleural effusion and bibasilar atelectasis is also stable . There is no pneumothorax .
    OUTPUT:
    
No significant interval change in size right pleural effusion .