Research Article

Osteopontin Expression Is Associated with the Poor Prognosis in Patients with Locally Advanced Esophageal Squamous Cell Carcinoma Receiving Preoperative Chemoradiotherapy

Figure 1

Immunohistochemical staining of osteopontin. (a) Representative example of low osteopontin expression in esophageal squamous cell carcinoma. (b) Representative example of osteopontin overexpression in esophageal squamous cell carcinoma.
(a)
(b)