for 1 week have front right abdomen discomfort, has started
Gallstones in your common bile duct
Your symptoms suggest a gallstone in your common bile duct. Since you do not have a colon from UC, you are predisposed to developing gallstones. Xrays and CT scans do not detect gallstones, but ultrasound does, so I suggest you have one and also liver function tests. If you have fever you should seek medical care immediately, otherwise contact you doctor for an urgent appointment.
Hope this helps. Please let me know if you have further questions.