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: Surgery
Most common complication of UC with IPAA: 
Select and explain. 
A. Small bowel obstruction, B. Pouchitis, C. Pelvic sepsis, D. Leak
B: Pouchitis
Answer: B: Pouchitis 
Explanation: Complications Pouchitis( 7-33%) Small bowel obstruction( upto to 27%) Pelvic sepsis Anastomotic & pouch suture line leaks Pouch- vaginal fistula