Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were provided . The lungs are clear and well expanded . No focal consolidation , effusion , or pneumothorax is seen . The heart and mediastinal contours appear normal . Tracheobronchial tree calcification is again noted . No bony abnormality is seen .
    OUTPUT:
    
No acute traumatic injuries .