Please Help Diagnose
My symptoms are upper left abdominal pain after eating. I've had rapid weight loss and am still unable to regain weight. I am 5'9" and only 115 pounds. I cannot stand for a long period of time because back pain will develop. I have endocrinosis, but have been on medication for that. Doctors originally thought it was due to gallstones and removed my gallbladder. The pain developed about a year ago. I've had a P.E.T. scan done, MRIs, CAT scans, and blood work, but doctors still have no answers for me. Please help.