Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear with no evidence of consolidation , effusion , or pneumothorax . However , left hilum is mildly prominent and may include a calcified lymph node . Cardiomediastinal silhouette is normal . No acute fractures are identified .
    OUTPUT:
    
1 . No acute cardiopulmonary process . 2 . The left hilum is midly enlarged , likely due to lymph nodes . Correlation with prior imaging is recommended to see if this is a new finding that warrants further characterization or not . Otherwise , a repeat radiograph in 3 months is recommended .