Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . Mediastinal contours are normal with mild aortic tortuosity . Post - surgical changes in the right hemithorax are stable including thickening of the pleura along the costal surface and blunting of the costophrenic sulcus . The right sixth rib surgical fracture is redemonstrated . There are no new lung nodules identified .
    OUTPUT:
    
Stable chest radiograph .