Figure 4.

CK5/6 Immunohistochemical stain. A and B: The epithelial components of these two cases (4 and 6) are positive for CK5/6 (DAB, 100X and 200X).

CK5/6 Immunohistochemical stain. A and B: The epithelial components of these two cases (4 and 6) are positive for CK5/6 (DAB, 100X and 200X).