Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear , mediastinal contours appear normal and no rib fracture is seen . No new pneumothorax or a large pneumoperitoneum is evident . The orogastric tube side - hole is in the distal esophagus and this could be advanced 7 - 8 cm .
    OUTPUT:
    
No plain film evidence of acute thoracic trauma . Recommend advancement of orogastric tube as described .