Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low . The lungs are clear . Mediastinal contour , hila , and cardiac silhouette are normal . There is no pneumothorax or pleural effusion . No osseous abnormality within the limits of plain radiography .
    OUTPUT:
    
No evidence of traumatic injury within the limits of plain radiography .