Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lung volumes are low , left worse than right . No areas of focal consolidation . Mild pulmonary edema . Moderate to severe cardiomegaly . Calcification of the aortic arch . Pleural surfaces are normal .
    OUTPUT:
    
Mild pulmonary edema . Moderate to severe cardiomegaly . No evidence of pneumonia .