The expression level of PTEN decreased progressively, and was 95.0%, 40.0%, 31.1% respectively in normal, atypical hyperplasia endometrium and EEC.

• PTEN在正常子宫内膜、不典型增生和内膜腺癌中的阳性表达率逐渐降低；分别为95.；0%25、40