The main reason that i came across on why afosso a or p would be raised, is that if you have increased amount of bile acids within the hepatosite, it will start to make this ensine. If there was a blockage at any point along this way, which caused bile to come back up, and then kind of spill into the hepatacite. This would cause the arc foss, or the a or p, to start to be made in the liver. It's far good indication that there could be an obstruction in the billery side of things, in the liver - often termed colistasis. Now, too lucky said, but ark foss isn