Cancer Institute and Hospital, Chinese Academy of Medical Sciences
Age
18–any
Sex
FEMALE
Healthy volunteers
Not accepted
You may be eligible if
Female patients aged 18 or above
Undergo breast-conserving surgery or total mastectomy and axillary lymph node dissection or sentinel lymph node biopsy
The surgical margin was negative
Tumor stage:Patients who receive direct surgery : pT1-2N1M0, with at least one lymph node having macrometastasis and a tumor risk score of 0-2.For those who underwent surgery after neoadjuvant chemotherapy: cT1-2N1-2M0→ypT0-2N0M0 (cN+ with pathological confirmation), neoadjuvant Chemotherapy for ≥6 cycles.
You may not be if
distant metastasis
metastasis of ipsilateral internal mammary, supraclavicular or subclavian lymph nodes
Had received chest radiotherapy in the past
Bilateral breast cancer
Pregnancy or lactation period
Other malignant tumors in the past or at the same time, and the tumor-free survival time is less than 5 years (excluding non-malignant melanoma skin cancer, papillary thyroid carcinoma/follicular carcinoma, cervical carcinoma in situ)
Clareo Health | A Study of Postoperative Regional Nodal Radiotherapy in Intermediate-risk Breast Cancer