Figure 4From: Does recurrent laryngeal nerve lymph node metastasis really affect the prognosis in node-positive patients with squamous cell carcinoma of the middle thoracic esophagus? Survival curves of patients with various number of metastatic nodes and different recurrent laryngeal nerve node status (≤ 6 nodes + RLN + vs. ≤ 6 nodes + RLN-, P = 0.928; ≥ 7 nodes + RLN- vs. ≥ 7 nodes + RLN+, P = 0.520). Back to article page