Table 1

Incident cohort of patients with metastatic breast cancer

Percentage%Number of patientsSource
Incident cases of mBC1002923 1 9–11
HER2−/HR+541575 3
HER2+/HR+18520 3
HER2+/HR−11324 3
Triple negative17503 3
  • HER2, human epidermal growth factor receptor 2; HR, hormonal receptor; mBC, metastatic breast cancer.