Objective To detect the expressions of PTEN and Survivin in different epithelial lesions, including normal, hyperplasia, displasia, carcinoma in situs and invasive carcinoma and to analyze the expressions of PTEN and Survivin correlated with pathologic characteristics. Methods Immunohistochemistry was used to detect the expressions of PTEN and Survivin in 60 cases of whole specimen of esophageal carcinoma with different degree epithelial lesions. Results The expressions of Survivin were progressively in...