Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: No significant interval change . The lungs appear hyperexpanded and hyperlucent , similar to the prior exam , suggesting emphysema . Streak like opacities in the right upper lung are overall similar to ___ and may reflect scarring . Bilateral apical pleural thickening / scarring is unchanged . No focal consolidation to suggest focal pneumonia . No edema , pleural effusion , or pneumothorax . The heart is normal in size . Appearance of the hila is unchanged . No acute osseous abnormality .
    OUTPUT:
    
No significant interval change . No evidence to suggest aspiration on this radiograph .