145253.fig.002a
(a)
145253.fig.002b
(b)
145253.fig.002c
(c)
Figure 2: Bile ductular cells around the edge of tumor nodules were positive with CK7 (a), CK19 (b), and OV-6 (c) (×100 staining indicated by arrows). Cell nuclei were stained with hematoxylin (blue).