Figure 8

H&E and Masson’s trichrome staining of common bile ducts (CBD) from the control and stent groups. (A,B) H&E staining shows more mucinous gland hyperplasia and lymphoplasmacytic infiltration in the CBD of stent group than that of control group. (C,D) Masson’s trichrome staining of the CBD shows more prominent fibrosis (blue-colored staining of the collagen fibers) in the stent group than in the control group.