Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographdemonstrates mildly hyperinflated clear lungs . No pleural effusion or pneumothorax . Heart size , mediastinal contour , and hila are unremarkable . Limited assessment of the upper abdomen is within normal limits .
    OUTPUT:
    
1 . Mildly hyperinflated lungs can be seen with emphysema and small airways disease . 2 . No pneumonia .