Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a stent within the descending thoracic aorta . Subtle opacity is noted at the right lung base which likely reflect stones area of scarring in the right middle lobe . No evidence of pneumonia or overt CHF . No large effusion or pneumothorax . The heart is top - normal in size . No signs of edema . Bony structures are intact .
    OUTPUT:
    
No acute findings .