Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are hyperinflated and there is diaphragmatic flattening , suggestive of COPD . The hilar and cardiomediastinal contours are normal . The lungs are clear . There is no pneumothorax or pleural effusion . There are calcifications in the aortic arch . There are three stents seen in the right upper quadrant of the abdomen .
    OUTPUT:
    
No acute process .