Fig. 1

IHC pictures: a. Predominantly the cytoplasmic staining of p-STAT3 in esophageal squamous cell cancer (SP method, ×100). b. p-STAT3 negative expression in esophageal squamous cell cancer (SP method, ×100)
IHC pictures: a. Predominantly the cytoplasmic staining of p-STAT3 in esophageal squamous cell cancer (SP method, ×100). b. p-STAT3 negative expression in esophageal squamous cell cancer (SP method, ×100)