Observational Study
Copyright ©The Author(s) 2019.
World J Gastrointest Oncol. Mar 15, 2019; 11(3): 238-249
Published online Mar 15, 2019. doi: 10.4251/wjgo.v11.i3.238
Figure 1
Figure 1 Case selection flow chart of one million nationwide representative data base. ES/EPBD: Endoscopic sphincterotomy/endoscopic papillary balloon dilatation; NHIRD: National Health Insurance Research Database.
Figure 2
Figure 2 Cumulative risk of cholangiocarcinoma. The cases of cholangiocarcinoma within 6 mo after the therapeutic procedure or the diagnosis of cholelithiasis were excluded. ES/EPBD: Endoscopic sphincterotomy/endoscopic papillary balloon dilatation.