Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable semi-upright radiograph of the chest demonstrates low lung volumes with resulting bronchovascular crowding . There is bibasilar atelectasis , which is not significantly changed from the prior study . The heart is not enlarged . The mediastinum remains stably widened . A nasogastric tube is seen with the tip ending in the stomach and the last side port above the GE junction . There is no pneumothorax .
    OUTPUT:
    
Nasogastric tube ends in the stomach with the last side port above the GE junction , and should be advanced prior to use .