Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . There is stable enlargement of the cardiomediastinal silhouette . Prominence of the right hilum is also stable dating back to at least ___ . Minimal blunting of the costophrenic angles is stable , again may relate to scarring . No new focal consolidation is seen . There is no evidence of pneumothorax .
    OUTPUT:
    
No significant interval change .