The Oncologic Safety of Sentinel Lymph Node Biopsy in Patients with Node-Positive Breast Cancer with Complete Response to Neoadjuvant Chemotherapy: A Single-Center Experience

Table 2

Evaluation of axilla with axillary USG before and after neoadjuvant chemotherapy (NAC) (n, row %).

Before NAC axillary USG	After NAC axillary USG
	Negative n (%)	Regressed (partial response) n (%)	Positive	Total n (%)
Suspicious	8 (100.0)	0 (0.0)	—	8 (100)
Positive	58 (73.4)	21 (26.6)	—	79 (100)
Total	66 (75.9)	21 (24.1)	—	87 (100)