Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Severe cardiomegaly and tortuous aorta are unchanged . The main pulmonary arteries are enlarged . Mild pulmonary edema has improved . Biapical scarring is again noted . The lungs are hyperinflated consistent with emphysema . Bilateral effusions are small .
    OUTPUT:
    
Improved pulmonary edema . Small bilateral effusions . Emphysema