Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is mildly enlarged . The lungs are hyperinflated and the diaphragm is flattened , suggestive of COPD . No focal consolidation , pleural effusion , or pneumothorax . Osseous structures are unremarkable . No radiopaque foreign body .
    OUTPUT:
    
Mild cardiomegaly . Hyperinflated lungs suggestive of COPD .