Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is normal in size . Each hilum appears mildly enlarged . This appearance may be due to lymphadenopathy or enlarged pulmonary arteries , although lack of enlargement of pulmonary arteries on the lateral view makes some degree of lymphadenopathy perhaps more likely . There are also patchy lower lung opacities bilaterally , probably in the right lower lobe and lingula . Posterior lower lung opacification is better visualized on the lateral view .
    OUTPUT:
    
1 . Bilateral hilar enlargement , suspected to reflect lymphadenopathy , although not entirely specific , since other etiologies such as enlarged pulmonary arteries may explain enlarged hila . 2 . Lower lung opacities , worrisome for pneumonia in the appropriate clinical setting .