Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest provided . Persistent perihilar and lower lung opacities are noted with slight improvement compared with prior recent exam could reflect persistent pneumonia . Small pleural effusions are also present . No pneumothorax . Heart size is unchanged . Mild edema difficult to exclude . Patient is known to have severe emphysema . Bony structures are intact .
    OUTPUT:
    
Persistent lower lung and perihilar opacities remain concerning for pneumonia with slight improvement from prior recent exam . Small bilateral pleural effusions . Recommend followup to resolution .