these findings suggest that this congenital anomaly in both ducts results in a loss of the normal sphincteric mechanism of the duodenal papilla , and that chronic relapsing cholecystitis or cholangitis , caused by the reflux of pancreatic juice into the biliary tract , can induced progressive changes to atypical epithelial hyperplasia which may develop into carcinoma .
C0008311
cholangitis
C0005423
biliary tract