Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear . There is no focal consolidation or pneumothorax . There is no vascular congestion or pleural effusions . Mediastinal and hilar contours are within normal limits . Moderate enlargement of the cardiac silhouette is unchanged from prior . A moderate hiatal hernia is unchanged from prior .
    OUTPUT:
    
1 . No acute cardiopulmonary process . 2 . Stable moderate cardiomegaly . 3 . Unchanged moderate hiatal hernia