REL and B-cell chronic lymphocytic leukemia: Chromosomal gains including the REL locus were also found in three additional types of B cell lymphoma, namely nodular lymphocyte predominant Hodgkin lymphoma (NLPHL), T cell/histiocyte-rich large B cell lymphoma (THRLBCL) [78] and B cell chronic lymphocytic leukemia (CLL) [79].