<unk>  refers to an immunochemotherapy regimen consisting of cyclophosphamide, Doxorubicin(hydroxydaunorubicin), 
Vincristine (Oncovin), Etoposide, Prednisone of non-Hodgkin lymphoma.
CHOEP regimen
CDOP regimen
DCEP regimen
BEP regimen
DHAP regimen
FMC-R regimen
R-DHAOx regimen
ABVD regimen