Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are better inflated on today 's study with a more optimal inspiratory effort . The trachea is central . The cardiomediastinal contour is notable for enlargement of the right hilum , this is likely vascular as there is evidence of pulmonary vascular congestion on the prior study however continued attention on followup is recommended . No consolidation , pneumothorax or pleural effusion seen . The visualized bony structures are unremarkable in appearance .
    OUTPUT:
    
Prominence of the right hilum is likely vascular given the appearance on the prior chest radiographs however continued attention on followup is recommended .