title: Pancreatobiliary malignancies--an appreciation of the "field cancerization theory".
authors.forename: Savio George
authors.initials: SG
authors.lastname: Barreto
authors.forename: Parul J
authors.initials: PJ
authors.lastname: Shukla
mesh_terms: D001661:Biliary Tract Neoplasms / Q000473:pathology*; D006801:Humans; D010190:Pancreatic Neoplasms / Q000473:pathology*