Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are hyperinflated with flattening of diaphragms . Bilateral reticular parenchymal lung pattern predominately within the lower lobes . No focal opacity . Heart size , mediastinal contour , and hila are unremarkable .
    OUTPUT:
    
1 . Hyperinflated lungs with flattening of diaphragms can be seen with emphysema and chronic obstructive pulmonary disease . 2 . Bibasilar reticular parenchymal pattern is suspicious for fibrotic lung disease . 3 . No pneumonia .