Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left chest wall vagal nerve stimulator is identified . The lungs are clear . The cardiomediastinal silhouette is within normal limits . Calcified left hilar and mediastinal nodes are again seen . Chronic deformity of the right clavicle laterally again identified .
    OUTPUT:
    
No acute cardiopulmonary process .