Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . There is persistent blunting of the right costophrenic angle which may be due to chronic pleural thickening / scarring , stable . Healed posterior right upper rib fractures are chronic and stable . The lungs remain hyperinflated . No new focal consolidation is seen . There is no pleural effusion or pneumothorax . The cardiac and mediastinal silhouettes are stable , as are the hilar contours .
    OUTPUT:
    
No significant interval change from ___ .