Population | Patients treated with preoperative stereotactic body radiotherapy (SBRT) for breast cancer |
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Intervention | SBRT to the primary tumor (fraction dose ≥ 5 Gy) |
Control | Not applicable (the data will be pooled from single arm trials) |
Outcome | Primary: early toxicity, cosmesis Secondary: rates of pathologic complete response (pCR), late toxicity |
Study design | Any retrospective or prospective original studies describing clinical outcomes of patients treated with preoperative SBRT for primary breast cancer |