Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is an NG tube coursing below the diaphragm , however the tip is not definitely visualized on this image . There is bibasilar atelectasis . The lungs are otherwise clear . Heart size is normal . The mediastinal and hilar contours are normal . The pulmonary vasculature is normal . No pleural effusion or pneumothorax is seen . There are no acute osseous abnormalities .
    OUTPUT:
    
1 . Appropriate positioning of NG tube . 2 . Bibasilar atelectasis .