Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . Mediastinal and hilar contours are unremarkable . The lungs are clear . The pulmonary vasculature is normal . No pleural effusion or pneumothorax is seen . A BB marker indicating site of the patient 's pain is noted overlying the left lateral 11th rib . No osseous abnormality is seen in the vicinity of this marker . No displaced rib fractures are noted .
    OUTPUT:
    
No acute cardiopulmonary process . No displaced rib fractures identified . If there is continued concern for rib fracture , a dedicated rib series is recommended .