Biliary Papillomatosis, also known as bile duct papillomatosis, is related to intrahepatic biliary papillomatosis and bile duct cysts. An important gene associated with Biliary Papillomatosis is MUC2 (Mucin 2, Oligomeric Mucus/Gel-Forming), and among its related pathways/superpathways are Diseases of glycosylation and O-linked glycosylation of mucins. Affiliated tissues include liver, and related phenotype is digestive/alimentary.