Adenosquamous Bile Duct Carcinoma, also known as bile duct adenosquamous carcinoma, is related to bile duct adenoma and adenosquamous gallbladder carcinoma, and has symptoms including abdominal pain, icterus and nausea. An important gene associated with Adenosquamous Bile Duct Carcinoma is MT-CO1 (Mitochondrially Encoded Cytochrome C Oxidase I), and among its related pathways/superpathways is L-alanine biosynthesis II.