Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is mildly enlarged . The hila are enlarged and nodular suggesting that adenopathy may be present . Pulmonary vasculature is prominent . There increased lung markings lower lobe greater than upper lobe .
    OUTPUT:
    
Hilar adenopathy is likely present . Comparison with old films would be helpful to assess for chronicity of interstitial changes in the lungs .