Rates of complete hematologic remission, complete cytogenetic remission, and molecular remission (defined as RT-PCR negativity) in the phase 2 and 3 trials with imatinib monotherapy. Blue bars indicate complete hematologic remission (CHR); green bars, complete cytogenetic remission (CCyR); red bars, molecular remission (MoR). M-BC indicates myeloid blast crisis; and AP, accelerated phase.