system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Crohn's disease is associated with:
assistant
The correct answer is  Etiology : Unknown Infectious agents proposed as potential causes: Mycobacterium paratuberculosis and measles virus IBD-1 (chromosome 16q) Relatively specific for Crohn's disease IBD-2 (chromosome 12q) More common in Ulcerative colitis on 16q CARD-15/NOD2 mutation lead to CD