I am 3 1/2 weeks post op from having my gallbladder removed. have no problems until 2 days ago. I am now having abdominal pain on right side. CT shows 1 gallstone was left in abdomin and appendix is 7mm thick with no inflammatory changes to either one. Pain is constant but when moving it is a sharp twisting knife like pain. Surgeon & raddiologist can't tll me what is causing pain. Looking at getting 2nd opinion tomorrow as I am unable to function other than lying in bed or sitting in a chair.