Fig. 3: Breast cancer subtypes on primary tumour and metastatic disease.

Primary HR+ HER2− (n = 641), Primary TNBC (n = 181), Primary HR−/HER2+ (n = 58), Primary HR+/HER2+ (n = 92). HR Hormone receptor expression, HER2 human epidermal growth factor receptor 2 status, TNBC Triple negative breast cancer.