Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A single portable AP upright view of the chest was obtained . Heart is normal size and cardiomediastinal contour is notable for calcifications in the aortic arch . Hyperinflated and hyperlucent lungs are suggestive of emphysema . There is no consolidation , pleural effusion or pneumothorax .
    OUTPUT:
    
1 . No evidence of pneumonia . 2 . Emphysema .