Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac , mediastinal and hilar contours are normal . Pulmonary vascularity is normal and the lungs are clear . No pleural effusion or pneumothorax is present . A BB marker is noted overlying the left inferior lateral ribs . No osseous abnormality is seen in the vicinity of this marker , and no displaced rib fractures are detected .
    OUTPUT:
    
No acute cardiopulmonary abnormality . No displaced rib fractures noted . If there is continued clinical concern for a rib fracture , then a dedicated rib series is recommended .