Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lungs are hyperinflated , and there is a hyperlucent area in the right upper lobe with some septations consistent with large bullae , however , no pneumothorax is identified . Otherwise , the lungs are clear with no evidence of focal opacities concerning for an infectious process or pleural effusions . The cardiomediastinal silhouette and hilar contours unremarkable . Bones are intact .
    OUTPUT:
    
Bullous emphysema . No pneumonia .