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': "Which of the following is not a feature of Crohn's disease? \nSelect and explain. \nA. Spiking fever, B. Enterovesical fistula/ Fecaluria, C. Perianal tags, D. Proctitis", 'role': 'user'}, {'content': "Answer: D \nExplanation: Crohn's disease - Intraabdominal abscess causing spiking fever (High grade with chills & rigor) Hallmark - Fistula formation (Peri-anal fistula) - Fecaluria (Communication between the gut and Bladder; stool will come in urine) -Rectum is spared -MC pa involve is T. ileum -Proctitis- usually a feature of UC. MC pa involve in UC is Rectum.", 'role': 'assistant'}]