ARID1A and endometrial carcinoma: The Brg1Wap-Cre ovarian cyst and uterine tumor phenotype is also reminiscent of recent deep-sequencing efforts demonstrating consistent mutations of another SWI/SNF subunit, ARID1A/BAF250a, in ∼30% and ∼50% of human ovarian clear cell carcinomas and endometrial carcinomas, respectively [54], [55].