Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well - expanded . There is mild pulmonary edema . No focal consolidations . No pleural effusion or pneumothorax . There is moderate cardiomegaly . Cardiomediastinal hilar silhouettes are otherwise unremarkable , noting dense atherosclerotic calcifications of the aortic knob . Median sternotomy wires and valve replacements are seen .
    OUTPUT:
    
Mild pulmonary edema .