Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . The heart size and cardiomediastinal contours are normal . Small aortic valve calcifications are unchanged . Hyperinflation of the lungs is consistent with known emphysema . No focal consolidation , pleural effusion , or pneumothorax .
    OUTPUT:
    
No focal consolidation . Lung hyperexpansion , consistent with known emphysema .