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: Unknown
True about ulcerative colitis are all except 
Select and explain. 
A. 20% end up in colectomy., B. The highest risk of UC requiring surgery is in 1st year., C. Extra intestinal problems of UC are managed medically, D. Steroid dependent cases needs surgery.
C: Extra intestinal problems of UC are managed medically
Answer: C: Extra intestinal problems of UC are managed medically 
Explanation: Ref. Sabiston Textbook of Surgery. Pg. 1340
Extraintestinal manifestations of ulcerative colitis respond to colectomy except Primary sclerosing cholangitis .