It accounts approximately 2% to 10% of all NHL.2, , , , , -8 Molecular pathogenesis is based on chromosomal translocation t(11;14) (q13; q32) that fuses the immunoglobulin heavy chain enhancer-promoter to the transcription unit of proto-oncogene CCND1, leading to aberrant expression of cyclin D1. Here, CCND1 is linked to non-Hodgkin lymphoma.