Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Hyperinflated lungs are consistent with obstructive disease . There is no focal consolidation , effusion , or pneumothorax . Mediastinal and hilar contours are normal . Heart size is normal .
    OUTPUT:
    
1 . No evidence of pneumonia . 2 . Hyperinflated lungs are in keeping with history of asthma .