Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared to the most recent prior radiograph , there has been no significant change . There is no evidence of pneumothorax . Again seen is minimal bibasilar atelectasis . There is no pleural effusion or focal consolidation . The cardiac silhouette is stable , and there is mild tortuosity of the aorta . Median sternotomy wires and clips are unchanged . Subcutaneous air in the left soft tissues is again seen .
    OUTPUT:
    
No significant interval change .