Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral chest radiograph demonstrates a vascular stent in unchanged position projecting superiorly above the right hilum . Cardiomediastinal and hilar contours are stable in appearance . No evidence of pulmonary edema , consolidation , or pneumothorax . There is no pleural effusion . Osseous structures are without and an acute abnormality .
    OUTPUT:
    
No acute abnormality .