Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: An NG tube ends in the stomach and should be advanced 5 cm for appropriate placement . Heart size is top normal . The mediastinal and hilar contours are normal . The pulmonary vasculature is normal . Lungs are clear . No pleural effusion or pneumothorax is seen . There are no acute osseous abnormalities .
    OUTPUT:
    
1 . NG tube should be advanced 5 cm for appropriate placement . No acute cardiopulmonary process .