Figure 4

(A). Ezrin is not stained in the normal hepatocyte but positive in the lymphocyte and cholagiocyte (cholangiocyte and lymphocyte can be used as internal positive control). (B, C, D). Positive ezrin immunoreactivity was observed in the membrane and/or cytoplasm of the tumor cells from low power to high power field (B, × 40; C ×200; D ×400).