Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac , mediastinal and hilar contours appear stable . Predominantly central opacification is bilateral and again greater on the left than right , and worse than on the prior study , most consistent with pulmonary edema . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
Findings most suggestive of moderate to severe pulmonary edema .