Abstract: Objective To study the expression of PI3K and caspase-3 in esophageal carcinoma for the relationship between the expression of PI3K and caspase-3 as well as carcinogenesis or progression of esophageal carcinoma.Methods PI3K and caspase-3 expression were d

Key words: esophageal squamous cell carcinoma, caspase-3, phosphatidylinositol 3-kinases, immunohistochemistry