Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A single portable AP upright view of the chest demonstrates hyperinflated lungs . There is no focal consolidation . Heart is normal in size and cardiomediastinal contour is stable . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
1 . No evidence of pneumonia . 2 . Severe COPD