- Pathologically confirmed metastatic breast cancer
- Known estrogen, progesterone, and HER2 status of either primary tumor or metastasis
- Number of allowable metastases:
- ≤ 4 metastases seen on standard imaging within 60 days prior to registration when all metastatic disease is located within the following sites:
- peripheral lung
- osseous (bone)
- spine
- central lung
- abdominal–pelvic(lymph node/adrenal gland)
- Maximum diameter of individual metastasis in any dimension ≤ 5 cm
Please contact Legacy Oncology Research for additional study inclusion/exclusion information.