| Summary: | BACKGROUND:To evaluate the clinical significance of supraclavicular lymph node (SCLN) in patients with locally advanced esophageal squamous cell carcinoma (ESCC) receiving curative concurrent chemoradiotherapy (CCRT). MATERIALS AND METHODS:We retrospectively analyzed all 369 locally advanced ESCC patients treated with CCRT between 2000 and 2015, including 70 patients with SCLN metastasis and 299 patients without SCLN metastasis. RESULTS:For these locally advanced ESCC patients treated with curative CCRT, N0-2 were significantly associated with superior progression-free survival (PFS) and overall survival (OS) in univariate and multivariable analyses. However, there were no significant differences in PFS and OS between the SCLN metastasis and non-SCLN metastasis groups; a subgroup analysis also revealed there was no significant differences in PFS and OS between patients with and without SCLN metastasis either in the N0-2 or in the N3 subgroup analysis. CONCLUSIONS:Our study suggests that SCLN metastasis is not a prognostic factor in locally advanced ESCC patients receiving curative CCRT, and that SCLNs should be considered to be regional LNs and treated with curative intent.
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