Bile Duct Cystadenoma, also known as cystadenoma of the bile duct, is related to intrahepatic bile duct cystadenoma and extrahepatic bile duct cystadenoma, and has symptoms including abdominal pain and icterus. An important gene associated with Bile Duct Cystadenoma is PER2 (Period Circadian Regulator 2), and among its related pathways/superpathways are Cellular responses to stimuli and Nuclear events mediated by NFE2L2. Affiliated tissues include liver and bile duct, and related phenotypes are growth/size/body region and neoplasm