Fig. 5From: Higher heat shock factor 1 expression in tumor stroma predicts poor prognosis in esophageal squamous cell carcinoma patientsImmunohistochemical staining for HSF1 in stromal cells of ESCC. The negative expression level (a ×100; b ×400), low expression level (c ×100; d ×400) and high expression level (e ×100; f ×400) of HSF1 in tumor stroma from patients with ESCCBack to article page