Evaluation of Sentinel Node Biopsy in Locally Advanced Breast Cancer Patients Who Become Clinically Node-Negative after Neoadjuvant Chemotherapy: A Preliminary Study

Table 1

Tumor metastasis in sentinel and nonsentinel lymph nodes in patients after neoadjuvant chemotherapy when sentinel nodes were successfully identified (𝑛=26).

	Non-sentinel node with metastasis	Non-sentinel node without metastasis	Total
Sentinel node with metastasis	12	3	15
Sentinel node without metastasis	3	8	11
Total	15	11	26