Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is normal . The aorta is tortuous . The pulmonary vascularity is not engorged . The hilar contours are stable . Hyperinflation is unchanged , suggestive of COPD . Lungs are clear . No pleural effusion , focal consolidation , or pneumothorax is present . No acute osseous abnormalities are identified .
    OUTPUT:
    
No acute cardiopulmonary abnormality .