Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . The lungs appear clear . There may be minimal atelectasis in the left lower lung . No large effusion or pneumothorax is seen . The cardiomediastinal silhouette is stable . No radiopaque foreign body is seen . No free air below the right hemidiaphragm . Bony structures are intact . DISH related changes of the thoracic spine again noted .
    OUTPUT:
    
No acute findings . Mild left basal atelectasis . No radiopaque foreign body .