text: <unk>  refers to a regimen consisting of Cyclophosphamide, Thalidomide, Dexamethasone  used to treat Multiple myeloma unsuitable 
  for autologous transplantation
option_0: CTD regimen
option_1: CVAD regimen
option_2: HYPER-CVAD regimen
option_3: CT regimen
option_4: TAC regimen
option_5: COP regimen
option_6: IFL regimen
option_7: ICE regimen