Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac , mediastinal and hilar contours are normal . Lungs are hyperinflated with flattened diaphragms suggesting COPD . Previous lingula opacity is unchanged since ___ . The left costophrenic angle has been chronically blunted and unchanged since ___ . Lungs are otherwise clear .
    OUTPUT:
    
No new consolidation to suggest pneumonia .