Pain in upper right quadrant

I have pain in my upper right quadrant that has been coming and going for a year. It radiates to my back and sometimes feels like it is my kidney. I have been to the doctors and they say I should have a abdominal CT scan, but are not pushing it. I had my gallbladder removed in 09/05. Didn't have any pain afterwards until 07/08. I had an abdominal CT scan in 07/07 for a hysterectomy done in 08/07, they did it because they did the hysterectomy with the DaVinci (robotic surgery). The pain comes and goes and can be dull to quite strong. It can go away for days/weeks, but when I have it, I can have it for days/weeks. I've been laid off and I am reluctant to have another CT, since the pain started a year after my last CT which didn't show anything. One doctor thought maybe the pain was from scar tissue from previous surgeries. I had the pancreas enzyme test done, it was normal. My blood tests where normal, along with a urine test that was normal. Does anyone have some advice?