Breast cancer
Conditions
Interventions
Gold Standard:Breast pCR(bpCR) was defined as the absence of invasive carcinoma, although ductal carcinoma in situ may be present . ypN0 was defined as the absence of macrometastasis and micrometastas
Index test:Age at first diagnosis, breast surgery, neoadjuvant treatment regimen, menstrual status, affected side, tumor quadrant, number of malignant lesions, cT, ycT, preoperative pathological type,
Sponsors
The Affiliated Hospital of Southwest Medical University.
Eligibility
Sex/Gender
Female
Inclusion criteria
Inclusion criteria: 1. Female patients 2. Primary breast cancer patients confirmed by histopathology; 3. All patients received neoadjuvant therapy; 4. Lymph node metastasis was confirmed by lymph node biopsy before neoadjuvant therapy. 5. Complete clinical, pathological and MRI data before neoadjuvant therapy, preoperative and postoperative 6. All patients underwent surgery and axillary lymph node dissection after neoadjuvant therapy 7. cT1-4N1 breast cancer.
Exclusion criteria
Exclusion criteria: 1. Male patients; 2. Neoadjuvant therapy was not completed or standardized neoadjuvant therapy was not performed; 3. Incomplete data of patients before, before and after NAC 4. Bilateral breast cancer 5. The stage was cN2-3 6. Ductal carcinoma in situ.
Design outcomes
Secondary
| Measure | Time frame |
|---|---|
| Age at first diagnosis;Breast surgery; | — |
Countries
China
Contacts
Public ContactPan Guangrui
The Affiliated Hospital of Southwest Medical University.
Outcome results
None listed