Upper stomach discomfort when standing or walking around, gets better when sitting. Other symp. Gas, pale stool, and feeling of bloating.?

Abd pain/pale stools. The liver releases bile salts into the stool, giving it a normal brown color. pale, clay-colored stools may be due to liver or biliary tract problems, such as hepatitis or gallstones, possibly accompanied by jaundice or dark urine. Pale,  yellow, greasy, foul-smelling stools may be due to malabsorption of fat as seen with pancreatitis, pancreatic cancer or celiac disease.