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. Author manuscript; available in PMC: 2016 Sep 4.
Published in final edited form as: Mod Pathol. 2016 Mar 4;29(5):476–488. doi: 10.1038/modpathol.2016.39

Figure 5. Immunohistochemical staining for androgen receptor in triple negative breast cancer with apocrine differentiation (apocrine triple negative breast cancer).

Figure 5

A and B) An example of androgen receptor positive apocrine triple negative breast cancer, H&E and androgen receptor immunohistochemical stain; C and D) The apocrine triple negative breast cancer that is androgen receptor negative but harboring a PIK3CA mutation, H&E and androgen receptor immunohistochemical stain.