Figure 3From: Complete pathologic response of HER2-positive breast cancer liver metastasis with dual Anti-HER2 antagonism Photomicrographs of the primary left breast infiltrating ductal carcinoma. Figure 3 a demonstrates carcinoma cells (marked with arrows) stained with hematoxylin and eosin (200X magnification). Figure 3 b demonstrates intense 3+ breast cancer cell surface staining on immunohistochemistry indicating HER2 overexpression (400X magnification).Back to article page