Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear , the cardiomediastinal silhouette is normal . The hila are enlarged . There is no pleural effusion and no pneumothorax .
    OUTPUT:
    
No acute cardiothoracic process , but enlarged hila . Comparison with prior CXR is recommended . Otherwise followup CXR in 3 months is recommended . Findings were entered into ED QA nurse email notification system by DR . ___ at 8 am on ___ .