Periampullary cancers (PAC) including pancreatic, ampulla of Vater (AOV), and common bile duct (CBD) cancers are highly aggressive with a lack of useful prognostic markers beyond T stage. However, T staging can be biased due to the anatomic complexity of this region. | Prognostic significance of stem cell epithelial-mesenchymal transition markers in periampullary pancreatic cancers FGFR1 is a promising prognostic marker