If I under go ulcerative colitis surgery can I die and what's the percentage of a surgey to success.

Any surgery has risk. Chances are if you need uc surgery it is because of: poor response to medical therapy, acute decompensation, and/or risk for cancer. Normal kidney, lung, heart, liver function then the risks are well worth taking. If surgery is for rx of life-threatening problems, then you have little choice. Talk w/gi md, surgeon, at length. Get info from ccfa. Org (crohn's and colitis foundation of america).