Hi, My Mom's abdomen has swollen for last two months she is 63yrs and we did some check ups like CT scan an Ultrasound the reports shows that the ( liver, kidney, gallbladder, stomach, spleen, pancreas) are normal there was nothing serious in the blood test, but still doctors are confused about the cause. Can you please advice me on this? the symptoms are vomiting, less appetite, minimal back pain and fatigue