Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lungs are hyperinflated , but clear . No pleural abnormalities . Heart size is normal . Cardiomediastinal and hilar silhouettes are normal .
    OUTPUT:
    
No evidence of acute cardiopulmonary abnormality . Mild hyperinflation raises the possibility of chronic obstructive pulmonary disease . If the patient is ___ years old , has a smoking history of greater than ___ pack - years and has smoked within the past ___ years , the patient meets criteria for annual lung cancer screening with low - dose chest CT , now available at this hospital .