Fig. 4From: Subjective factors affecting prognosis of 469 patients with esophageal squamous cell carcinoma: a retrospective cohort study of endoscopic screeningKaplan–Meier estimates of overall survival in patients with and without swallowing-related symptoms. The prognosis of patients with swallowing-related symptoms was significantly worse than that of patients without such symptoms (p = 0.034)Back to article page