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
Rx of choice in case of chronic ulcerative colitis is - 
Select and explain. 
A. Colectomy with ileostomy, B. Colectomy + manual proctectomy + ileoanal pouch anastomosis, C. Proctocolectomy with ileoanal anastomosis, D. Ileorectal anastomosis
C: Proctocolectomy with ileoanal anastomosis
Answer: C: Proctocolectomy with ileoanal anastomosis 
Explanation: None