SMARCA1 and neoplasm: OGM also showed a 135 kb-deletion encompassing the 5′-part of KRAS and a translocation t(12;13) inducing a putative novel fusion of the WDFY2 gene with the ARID2 gene, a component of the SWI/SNF complex with tumor suppressive properties that play a role in the differentiation of hematopoietic stem cells [22,23].