Identification of Risk Factors Associated with Axillary Lymph Node Metastasis for Sentinel Lymph Node-Positive Breast Cancer Patients

Figure 1

The proportion of patients with the indicated numbers of risk factors exhibiting NSLN positivity (risk factors include LVI, 2 positive SLNs, and SLN metastasis ratio ≥50%). NSLN, nonsentinel lymph node; LVI, lymphovascular invasion; SLN, sentinel lymph node.