Fig. 3

Soft paraffin sections showing (A) slight reaction at periductal area (yellow arrow) with no reaction to periacinar area in group I, (B) group II sections revealing severe reaction at periductal area (yellow arrow) and periacinar area (red arrow head), (C) group III sections showing slight reaction to periductal area (yellow arrow) and mild reaction to periacinar area (red arrow head), Congo red special stain 400x