Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Radiographs of the chest demonstrate no acute , displaced rib fracture , pneumothorax or definite pleural effusion . Cardiomediastinal contours are stable in appearance , and lungs are clear . Elongated thorax configuration is consistent with history of Marfan 's .
    OUTPUT:
    
No acute , displaced rib fracture on this chest radiograph . If clinical suspicion persists , dedicated rib films could be obtained . No pneumothorax or a substantial pleural effusion .