Fig. 4From: Analysis of definitive chemo-radiotherapy for esophageal cancer with supra-clavicular node metastasis based on CT in a single institutional retrospective study: a propensity score matching analysisOverall survival (OS) for patients with different locations of the primary tumor. Legend: —cervical or upper thoracic EC with SCLN, −-- middle or lower thoracic EC with SCLNBack to article page