Fig. 4: Phenotypic discordance by metastatic site.

CNS central nervous system, CSF cerebro-spinal fluid, ER Estrogen receptor expression change, HER2 human epidermal growth factor receptor 2 expression change.
CNS central nervous system, CSF cerebro-spinal fluid, ER Estrogen receptor expression change, HER2 human epidermal growth factor receptor 2 expression change.