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Background and Objectives
Of clinically node‐negative (cN0) cutaneous melanoma patients with sentinel lymph node (SLN) metastasis, between 10% and 30% harbor additional metastases in non‐sentinel lymph nodes (NSLNs). Approximately 80% of SLN‐positive patients have a single positive SLN.
Methods
To assess whether state‐of‐the‐art clinicopathologic models predicting NSLN metastasis had adequate performance,...