Figure 3. Levels and pattern of expression of RPTPβ/ζ in infiltrating ductal carcinomas.

Immunohistochemistry for RPTPβ/ζ in grade I (top panels), grade II (middle panels), and grade III (bottom panels). Nuclear staining was observed in all grades whereas the cytoplasmic expression was lost in the highest grade. Magnification: ×20 on the left panels, ×40 on the right panels.