Figure 2

Immunohistochemistry for Fas showing fewer carcinoma cells labeled in invasive micropapillary carcinoma (a, × 100 magnification) than those in medullary carcinoma (b, × 100 magnification) and fewer lymphocytes labeled by FasL in invasive micropapillary carcinoma (c, × 100 magnification) than those in medullary carcinoma (d, × 100 magnification).