Which of the following may be the reason for steatorrhoea?

Steatorrhoea is a condition characterized by an increase in fat content in stools leading to the production of pale, bulky, offensive and loose stools. The underlying cause is a defect or alteration in the functioning of the digestive system. The pancreas makes enzymes involved indigesting food, so its damage means fewer enzymes are produced. Since pancreatic enzymes are particularly responsible for digestion of fat, fewer enzymes means less fat is digested. Fat tends to remain in the stools making them paler, more foul smelling than usual and difficult to remove by flushing.