Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . Mediastinal and hilar contours are normal . Pulmonary vascularity is normal . Lungs areclear except for scarring within the lung apices . No pleural effusion or pneumothorax is seen . There is hyperinflation of the lungs with flattening of the diaphragms compatible with COPD . There are no acute osseous abnormalities .
    OUTPUT:
    
No acute cardiopulmonary process . COPD .