Fig. 2From: Proposed revision of the 8th edition AJCC clinical staging system for esophageal squamous cell cancer treated with definitive chemo-IMRT based on CT imaginga Overall survival of patients with supraclavicular lymph node metastasis. b Overall survival of patients with different clinical N stages and supraclavicular lymph node metastasis. c: Overall survival of patients with different clinical N stages when metastatic supraclavicular lymph nodes were considered as regional metastatic lymph nodesBack to article page