This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Small & Large Intestine, Subject name: Surgery
[{'content': "35-year-old man complaints of weight loss, loss of appetite,abdominal pain and diffuse thickening of ileocecal region. Diagnosis is: \nSelect and explain. \nA. Crohn's, B. Ulcerative colitis, C. Ileocecal TB, D. Carcinoma", 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. (c) Ileocecal TBRef: Bailey and Love 26th edition, Page 1158* Weight loss, loss of appetite and diffuse thickening of ileocecal region is typical of TB.', 'role': 'assistant'}]