This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Medicine
[{'content': 'All are complication of ileal resection, except : \nSelect and explain. \nA. Megaloblastic anaemia, B. Iron deficiency anaemia, C. Gastric hypersecretion, D. Malabsorption syndrome', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Answer is B (Iron deficiency anaemia): Iron is primarily absorbed in duodenum therefore ileal resection will not cause iron deficiency anaemia. All other options are true and explained in the previous question.', 'role': 'assistant'}]