Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared with the prior radiograph , the right - sided pigtail catheter has been moved more superiorly , with interval decrease in the size of the right pleural effusion . Patient is post aortic graft placement , with unchanged left subclavian line . The left lung continues to be essentially clear . Cardiomediastinal silhouette is unchanged . No evidence of pneumothorax . Surgical fixation hardware is unchanged .
    OUTPUT:
    
Interval decrease in the right - sided pleural effusion .