Precursors to Cholangiocarcinoma. Discussion Board › Forums › New Developments › Precursors to Cholangiocarcinoma. This topic has 0 replies, 1 voice, and was last updated 4 years, 4 months ago by gavin. Viewing 1 post (of 1 total) Author Posts December 10, 2019 at 10:54 am #99408 gavinModerator Precursors to Cholangiocarcinoma. https://www.ncbi.nlm.nih.gov/pubmed/31814823 Author Posts Viewing 1 post (of 1 total) The forum ‘New Developments’ is closed to new topics and replies.