This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Inflammatory Bowel Disease, Subject name: Medicine
[{'content': "All the following are true regarding Crohn's disease except? \nSelect and explain. \nA. Fistula formation is seen, B. Recurrence common after surgery, C. Inflammation limited to mucosa, D. Skip lesions", 'role': 'user'}, {'content': "Answer: C \nExplanation: In Crohn's disease, the inflammation can be in multiple patches or one large patch,and may involve any area through out the entire digestive tract, often affecting the last pa of the small intestine (terminal ileum).", 'role': 'assistant'}]