Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are hyperinflated , similar in appearance when compared to the prior study . Pleural thickening or scarring at the right lung base . No consolidation , pneumothorax or pleural effusions seen . Surgical clips noted at the right hilum . Visualized bony structures are unremarkable in appearance .
    OUTPUT:
    
No acute cardiopulmonary process seen . Hyperinflation of the lungs may reflect COPD .