The positive rates of PTEN in the well differentiated esophageal squamous cell carcinoma (ESCC), moderately differentiated ESCC and poor differentiated ESCC were 63.64%, 30.43% and 27.27%,respectively.

• PTEN蛋白在食管高、中和低分化鳞癌组织中的阳性率分别为63.；64%25、30