Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs were obtained . An external BB has been placed over the patient 's site of pain . No rib fracture is appreciated on this limited exam . The lungs are fully expanded and clear . The cardiomediastinal silhouette , hilar contours , and pleural surfaces are normal . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
No rib fracture appreciated . Please refer to report on dedicated rib films obtained today for further assessment of rib fracture .