Overview
This study is a prospective observational study on outcomes of high precision hypo-fractionated radiotherapy in breast cancer with distant metastasis.
Eligibility
Inclusion Criteria:
- histologically confirmed breast cancer
- presence of distant metastasis
- radiation therapy using IMRT, SBRT, or proton therapy is done or planned
- Able and willing to comply with the study protocol
Exclusion Criteria:
- unable to adhere to the study protocol