Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Two views of the chest demonstrate clear lungs without effusion , or pneumothorax . The cardiac silhouette is normal in size , the mediastinal contours are normal . There is no displaced rib fracture . If there is further concern for fracture , recommend repeat dedicated views with BB marker to mark the site of pain .
    OUTPUT:
    
No acute chest pathology .