Fig. 2From: Preoperative systemic inflammation score (SIS) is superior to neutrophil to lymphocyte ratio (NLR) as a predicting indicator in patients with esophageal squamous cell carcinomaKaplan-Meier analysis for overall survival of 357 ESCC patients according to systemic inflammation score = 0, =1 versus =2 (a) and neutrophil to lymphocyte ratio ≤ 2.27 versus>2.27 (b)Back to article page