Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are hyperinflated . Cardiac silhouette size is normal . The aorta remains mildly tortuous . Hilar contours are normal . Pulmonary vasculature is normal . Lungs are clear . No pleural effusion or pneumothorax is present . There are no acute osseous abnormalities .
    OUTPUT:
    
No acute cardiopulmonary abnormality . COPD .