Fig. 1From: Concurrent chemoradiotherapy with S-1 compared with concurrent chemoradiotherapy with docetaxel and cisplatin for locally advanced esophageal squamous cell carcinomaKaplan–Meier estimates of progression free survival (a) and overall survival (b) in the S-1 and DP groups. Kaplan–Meier estimates by completeness of concurrent chemotherapy for progression free survival (c) and overall survival (d) using patients in the DP groupBack to article page