Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac silhouette size is normal . Patient is status post descending thoracic aortic stent graft repair with contour bulge at the distal descending thoracic aorta compatible with known saccular aneurysm . The hilar contours are normal . Pulmonary vasculature is normal . Lungs are hyperinflated but clear . No pleural effusion or pneumothorax is seen . No acute osseous abnormalities identified .
    OUTPUT:
    
No acute cardiopulmonary abnormality .