Breast Cancer : Basal-like
Molecular Subtypes of Breast Cancer - Basal-like: Microscopic photo showing a high grade invasive breast carcinoma. The tumor cells are triple negative (negative for ER, PR and HER2/neu). They are positive for CK5/6 and EGFR (epidermal growth factor receptor) (see insert). Image courtesy of: Jian-Hua Qiao, MD, FCAP, Los Angeles, CA, USA.