Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well aerated and clear . There is no focal atelectasis or radiopaque density overlying the lung fields to suggest an aspirated tooth . Heart size and mediastinal contours are normal . There is no pleural effusion or pneumothorax . The osseous structures are intact .
    OUTPUT:
    
No evidence of aspirated tooth or other acute cardiopulmonary process .