These pictures show the severe effects of intestinal obstruction, a condition that turned this man into a walking skeleton.
The patient, identified only as Gang, has suffered chronic intestinal pseudo-obstruction for a year, causing his weight to plummet as he is unable to digest food properly.
His condition became so severe that he was days from death when he finally presented himself to shocked doctors in Beijing, China.
The condition, which is believed to be hereditary, has no known cure in its primary state. It can also be caused by other diseases.
Geng is currently undergoing treatment at the General Hospital of Beijing Military.