Extracellular Hsp90α clinically correlates with tumor malignancy and promotes migration and invasion in esophageal squamous cell carcinoma

Extracellular Hsp90α (eHsp90α) is known to be involved in tumor invasiveness and metastasis, and its prognostic value in many kinds of tumors has been identified. We aimed to evaluate the clinical and functional role of eHsp90α in esophageal squamous cell carcinoma (ESCC)