Hello,
I dont know if you got an answer to your question. I have the same thing, but I still have my gallbladder. I took the radioactive test and came up normal. I had a x-ray, nothing. They gave me acid reflux acid and nothing. I have an appt on tuesday to check via endoscopy to see if it is ulcer. It could be a H. Pilory ulcer, I wish you feel better already.