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: Pathology
Sclerosing cholangitis is associated with ? 
Select and explain. 
A. Ulcerative colitis, B. Celiac sprue, C. Wilson's disease, D. Whipple's disease
A: Ulcerative colitis
Answer: A: Ulcerative colitis 
Explanation: Ans. is 'a' i.e., Ulcerative colitiso Its seem to be associated with ulcerative colitis and occasionally Crohn's disease (Ulcerative colitis seen in approx 2/3" of patients of PSC).