This duct was shown extending obliquely cephalic and to the right from the main pancreatic duct (Figs. 2 and 3).Thin tissue of the pancreas was shown on either side of the duct.

• 异常分支从主胰管分出后斜行走形于胰头内和主胰管的右侧（图2、3），胰管异常分支两侧可以看见薄的胰腺组织。