Geneva, Jan. 12 -- International Clinical Trials Registry received information related to the study (ChiCTR2500115169) titled 'Research on Omitting Sentinel Lymph Node Biopsy after Neoadjuvant Therapy in cN1 Breast Cancer Patients' on Dec. 23, 2025.
Study Type: Diagnostic test
Study Design:
Diagnostic test for accuracy
Primary Sponsor: The Affiliated Hospital of Southwest Medical University.
Condition:
Breast cancer
Intervention:
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 micrometastasis in the axillary lymph nodes.
MRI was used to assess the radiologic response of tumors and lymph nodes ...