Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . The lungs appear clear , though lung volumes are low . There is no consolidation , effusion or pneumothorax . Heart and mediastinal contours are normal . No displaced rib fracture is seen . The thoracic spine appears normal in alignment without compression fracture .
    OUTPUT:
    
No acute intrathoracic injury seen .