Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is top normal . Widespread reticular interstitial opacities are due to fibrotic interstitial lung disease , seen and described on the CT examination from ___ . Generalized increase in lung density is most readily explained by concurrent mild pulmonary edema . Left perihilar opacification is either asymmetric edema , or possible pneumonia .
    OUTPUT:
    
Pulmonary fibrosis and hypertension are chronic . Mild pulmonary edema is likely . Left upper lobe edema is most prominent , alternatively pneumonia .