Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The three ICD leads are in place with unchanged position since prior radiograph on ___ , extending to the expected positions of the right atrium , right ventricle , and coronary sinus . The patient is status post median sternotomy and coronary artery bypass surgery . The cardiomediastinal silhouette is enlarged , unchanged from prior chest x-ray . The lungs are clear . A calcified granuloma is noted in the right lower lobe , unchanged . A more peripheral focal opacity may represent an area of atelectasis .
    OUTPUT:
    
1 . Stable placement of ICD leads . 2 . No acute cardiopulmonary abnormality .