SMARCA1 and endometrial cancer: Moreover, mutations in ARID1A and other components of the SWI/SNF chromatin remodeling complex (collectively known as the BAF complex), have been previously reported to be frequent in various cancer types (e.g. endometriosis-associated ovarian cancers, endometrial cancers and non-gynecological tumors) [3, 5, 22, 23].