Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well expanded . There are perihilar opacities and reticular opacities , consistent with mild to moderate pulmonary edema . There are no pleural effusions or pneumothorax . The cardiomediastinal silhouette demonstrates moderate to severe enlargement
    OUTPUT:
    
Mild to moderate pulmonary edema . Cardiomegaly .