NSD3 and neoplasm: The majority of these cases manifested a tumor with chromosomal translocation, which forms the BRD4-NUT fusion oncogene (n = 16), BRD3-NUT (n = 4), NSD3-NUT (n = 3), NUT-variant (n = 1), CHRM5-NUTM1 (n = 1) and other NUTM1 rearrangements (n = 5).