Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Support lines and tubes are unchanged in appearance when compared to the prior study . A vascular stent is seen in the right axilla with numerous surgical clips . There is unchanged widening of the mediastinum . No consolidation , pneumothorax or pleural effusion appreciated .
    OUTPUT:
    
No significant interval change when compared to the prior study . Persistent widening of the mediastinum , unchanged compared to the prior study .