Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest . The lungs are hyperinflated , consistent with emphysema . The lungs are otherwise clear . There is no pleural effusion or pneumothorax . The cardiomediastinal silhouette is unremarkable . A tortuous aorta is again noted .
    OUTPUT:
    
No acute cardiopulmonary process . Hyperinflated lungs , consistent with emphysema .