... 70 lbs lighter. My unused larger stomach is filling with gas and I frequently have an extended abdomen. An Xray in October verified large spots of gas. It this normal? I thought my larger stomach was empty & dormant. I now have extreme occasional pain in my right upper abdomen when this stomach fills with gas. I went back to my Bariatric Surgeon as he said everything looks fine, though no tests were performed. I just had Endoscope and they were only able to view my small stomach. Does anyone have any advice?