Loss of heterozygosity on 10q23.3 and mutation of the tumor suppressor gene PTEN in benign endometrial cyst of the ovary: possible sequence progression from benign endometrial cyst to endometrioid carcinoma and clear cell carcinoma of the ovary. - Sato,N.; Tsunoda,H.; Nishida,M.; Morishita,Y.; Takimoto,Y.; Kubo,T.; Noguchi,M. (Cancer Res, 2000)