Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since the prior study , there is no change in position of monitoring and support devices . Hardware in the thoracic spine is also unchanged in appearance . The cardiomediastinal silhouette is stable , as is the right pleural effusion . There is no pneumothorax . Left pigtail catheter is in place , and unchanged in position . No new parenchymal opacities are identified .
    OUTPUT:
    
No significant change since the prior study .