Hi sammies. I had a stent placed in my common bile duct. I had sl elevated liver enzymes, right upper quadrant pain and a dilated duct was found on U/S. It was removed after 3 months and I have been mostly sx free since then. I believe it was not too long after starting remicade (only had 3 doses before an allergy set in), and kind of felt there was some correlation, or PSC but only a guess. It was also reported on CT that my liver was "fatty" but the doc said it was normal for a woman my age.
Good luck with the biopsy.