Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiomediastinal contours are normal . The lungs are clear . Linear calcifications in the right upper hemithorax are unchanged There is no pneumothorax or pleural effusion . The lungs are hyperinflated . There are healed rib fractures bilaterally
    OUTPUT:
    
No acute cardiopulmonary abnormalities probably COPD .