Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided demonstrate an aortic stent in place as well as a stent extending into the left subclavian artery . Midline sternotomy wires are noted . Lungs are clear . No focal consolidation , effusion , or pneumothorax . Bony structures are intact . Cardiomediastinal silhouette is unremarkable . No free air below the right hemidiaphragm .
    OUTPUT:
    
Post - surgical change without evidence of acute intrathoracic process .