What Causes Severe Pain Above The Abdomen?

Hi, this pradeep i am suffering from stomuch pain from 9-10 year. in initialy pain is right above abdomen but after 3-4 year it is at the novel position.but at the time it is again the above the right abdomen position. i have done the three time ultrasound and two time liver blood test one time urine test it is normal. i have also done the ct scan it have find the only apendix 12.3 mm diameter. and there are more gas to make in my stomach. i have consult the doctor one saying is pain from apendix and another doctor is saying pain in stomuch from alsar. i want to check the alsar . what i should do.

please give the suggestion to me.