What would become of a man who had most of his small intestine removed?

The main tasks of the small intestine are participation in the digestion of food and its absorption. With some serious illnesses, a person may lose a larger segment of the small intestine. This can be caused by congenital anomalies, tumors, inflammatory diseases, and blockage of blood vessels. In this case, short bowel syndrome develops. A person will need special nutrition, for the digestion and absorption of which a small section of the intestine is enough. But even with such a diet, problems arise – loose stools, weight loss.