Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Dual - lead pacer is unchanged with lead tips extending to the expected location of the right atrium and right ventricle . Lungs are clear . Cardiomediastinal silhouette is stable with an unfolded appearance of the thoracic aorta , overall unchanged from prior . No effusion or pneumothorax . Bony structures appear intact .
    OUTPUT:
    
Stable exam without acute abnormalities . Please note aortic dissection can not be excluded on radiograph .