I'm so sorry you are suffering. I am not a doctor and know nothing about medicine but here are some links that might help you understand elevated liver function tests:
You can always check future labs at http://www.labtestsonline.org/understanding/analytes/cbc/glance.html.
Have you considered adhesions given you've had multiple abdominal surgeries, including resectioning?
Finally, here are a couple of links that might help you investigate the biliary system:
God bless, Godspeed and good luck!
All the best,