Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear of focal consolidation , pleural effusion or pneumothorax . There is no overt pulmonary edema . Hyperexpansion of the lungs may reflect COPD . The heart is normal in size . Aortic calcifications are noted .
    OUTPUT:
    
Hyperexpansion without acute cardiopulmonary process .