Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac , mediastinal and hilar contours are unchanged , with the heart size within normal limits . The pulmonary vasculature is normal , and the lungs are clear . No pleural effusion or pneumothorax is present . Remote right ___ posterior rib fracture is again demonstrated .
    OUTPUT:
    
No acute cardiopulmonary process .