Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac , mediastinal and hilar contours are normal . The pulmonary vascularity is normal . The lungs are clear . No pleural effusion or pneumothorax is present . No acute osseous abnormalities are seen . A mildly displaced fracture involving the lateral right ninth rib is again noted . Previously noted right posterior ___ and possible 8th rib fractures are not apparent on the current exam .
    OUTPUT:
    
No acute cardiopulmonary abnormality . Unchanged fracture of the right lateral ninth rib . Previously described fractures of the right posterior ___ and possible 8th ribs are not apparent on the current exam . A dedicated rib series can be obtained for further evaluation .