Fig. 1From: The crucial role of blood VEGF kinetics in patients with locally advanced esophageal squamous cell carcinoma receiving curative concurrent chemoradiotherapyComparison of progression-free survival curves for 97 esophageal squamous cell carcinoma patients in different VEGF groups. a VEGF day 28 value. b VEGF day 28/day 5 ratioBack to article page