A series of 123 consecutive pts with biopsy proven diagnosis of DEL (cut-off values of ≥40% for MYC and ≥50% for BCL2), DEL-Single Hit (DEL-SH, i.e., with a rearrangement of either MYC or BCL-2), or DEL-DH were treated with 6 cycles of DA-EPOCH-R....DA-EPOCH-R is an effective treatment for DEL and DEL-SH whereas inferior results were observed in the DEL-DH subgroup.