Fig. 3From: Multipotent luminal mammary cancer stem cells model tumor heterogeneityPy230 cells differentiate to form multiple tumor subtypes in vivo. Spontaneous PyVmT tumors (upper panels) or Py230-derived tumors representing different subtypes: luminal A, Her2, basal and claudin-low (lower 4 panels) stained for estrogen receptor (ER), progesterone receptor (PR) or Her2 expressionBack to article page