Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes remain decrease in the right lung . There are bilateral chest tubes in - situ . The medial portion of the right chest tube is difficult to visualize . There has been an interval decrease in the right - sided pleural effusion however . No pneumothorax seen . A right subclavian and right internal jugular catheter are unchanged in appearance when compared to the prior study . An endotracheal tube and two nasoenteric tubes are also unchanged . Airspace opacity adjacent to the right heart border likely reflects atelectasis but infection can not be excluded .
    OUTPUT:
    
Interval decrease in the right - sided pleural effusion .