A case of gallbladder carcinoma associated with pancreatobiliary reflux in the absence of a pancreaticobiliary maljunction: A hint for early diagnosis of gallbladder carcinoma

Figure 2 A: ERCP shows no pancreaticobiliary maljunction, because sphincter of Oddi affected pancreaticobiliary junction and connection between pancreatic and biliary ducts was not visible during the contraction phase of sphincter of Oddi; B: ERCP in the relaxation phase of sphincter of Oddi shows the length of the common channel to be 5 mm long.