Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal silhouette and hilar contours are normal . The lungs are clear . There is no pleural effusion or pneumothorax . Osseous structures are grossly unremarkable . There is no radiopaque foreign body noted .
    OUTPUT:
    
No acute intrathoracic process . No evidence of radiopaque foreign body .