Abstract 840: Gallstones and risk of cancers of the liver, biliary tract, and pancreas: A prospective study within two U.S. cohorts

Background: As one of the most common gastrointestinal diseases, gallstones may result in inflammation,altered bile flow, and changes in metabolic hormone levels, thereby increasing cancer risk. Previous studiesfor gallstones and cancers of the liver, biliary tract, and pancreas from the different data sources, inadequateconfounding adjustment, and whether the association varied by potential risk factors is unclear. Objective: We examined the...