Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac , mediastinal and hilar contours are normal . The lungs remain hyperinflated . No focal consolidation , pleural effusion or pneumothorax is seen . The pulmonary vasculature is normal . There are no acute osseous abnormalities .
    OUTPUT:
    
No acute cardiopulmonary abnormality . COPD .