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: Surgery
A patient presents with history of mild diarrhea, blood in stools with multiple fistulas. What is the most probable diagnosis: September 2007 
Select and explain. 
A. Intestinal tuberculosis, B. Ulcerative colitis, C. Crohn's disease, D. Typhoid
C: Crohn's disease
Answer: C: Crohn's disease 
Explanation: Ans. C: Crohn's disease