Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left chest wall vagal nerve stimulator is noted . Radiopaque component at the base of the neck , left appears slightly different in configuration when compared to prior compatible with interval surgery . Streaky left basilar opacity may be secondary to atelectasis . The lungs are otherwise clear . The cardiomediastinal silhouette is within normal limits . No acute osseous abnormalities .
    OUTPUT:
    
Streaky left basilar opacity most likely atelectasis . Otherwise clear lungs .