ARID1A and endometrial endometrioid adenocarcinoma: For instance, ARID1A is known to promote the formation of SWI/SNF chromatin remodeling complexes containing BRG1 or BRM, and is a candidate tumor suppressor not only in clear cell ovarian cancer but also in endometrioid cancers and uterine endometrioid carcinomas [22,26,27].