Fig. 1From: Risk factors for esophageal fistula in thoracic esophageal squamous cell carcinoma invading adjacent organs treated with definitive chemoradiotherapy: a monocentric case-control studyKaplan-Meier curve for overall survival (OS). OS in the esophageal fistula group was significantly shorter than that in the non-esophageal fistula group (8.0 vs. 26.8 months; p < 0.001)Back to article page