Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mildly hyperinflated lungs suggest obstructive disease . There is no focal consolidation , effusion , or pneumothorax . Mediastinal and hilar contours are normal . Heart size is normal . Healed right rib fractures are unchanged .
    OUTPUT:
    
1 . No evidence of pneumonia . 2 . Mildly hyperinflated lungs suggest obstructive disease .