Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are hyperexpanded with marked architectural distortion , consistent with the known history of severe emphysema . Chronic right upper lobe consolidation is unchanged as far back as ___ . There is no new opacity . The hilar and cardiomediastinal contours are normal . There is no pneumothorax . There is no pleural effusion . Pulmonary vascularity is normal .
    OUTPUT:
    
Severe emphysema with unchanged chronic consolidation of the right upper lobe .