Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral view of the chest . Lower lung ill defined opacity is new from prior and may reflect pneumonia or aspiration in the correct clinical setting . Also present is mild hilar prominence which could reflect mild congestion versus reactive adenopathy . Difficult to exclude mild interstitial edema . No large effusion . Patient has severe emphysema , as seen on prior CT . Cardiomediastinal silhouette is unchanged . No bony abnormality .
    OUTPUT:
    
Findings concerning for lower lung pneumonia with probable superimposed mild congestion / edema .