Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lungs are mildly hyperinflated , with biapical hyperlucency , but no focal consolidation . Cardiomediastinal and hilar contours are normal . There are no pleural effusions or pneumothorax . Old healed rib fractures are noted in the fourth and seventh through ninth posterior ribs .
    OUTPUT:
    
COPD . No acute cardiopulmonary process .