NR4A1 and diffuse large B-cell lymphoma: Here, it should be noted that in 30% (18/60) of DLBCL- and 35.1% (13/37) of de novo DLBCL-cases the NR4A1 gene expression status (high vs. low) does not coincide with the cytoplasmic NR4A1 expression pattern (high vs. low).