Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear . There is mild pulmonary edema . The cardiomediastinal silhouette is stable . There is no pneumothorax or pleural effusion . A moderate - sized hiatal hernia is re - demonstrated .
    OUTPUT:
    
1 . Mild pulmonary edema . 2 . Moderate - sized hiatal hernia .