Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral radiographs of the chest demonstrates clear but hyperinflated lungs consistent with emphysema . The hilar and cardiomediastinal contours are normal . There is no pneumothorax or pleural effusion . Pulmonary vascularity is normal . Enlargement of the aortic root and calcification of the aortic arch are present . The concerning spiculated mass in the left upper lobe seen on the prior PET - CT is not well seen and there are surgical changes indicating that it has been excised .
    OUTPUT:
    
No acute cardiopulmonary process . Emphysema .