Allogeneic transplantation in CML. Data shows survival from diagnosis of 710 patients allografted at Hammersmith Hospital, London, for CML between 1981 and 2010. Patients who underwent transplantation in first chronic phase (1stCP) had the best survival, followed by patients who underwent transplantation in accelerated phase (AP), patients who underwent transplantation in more than first chronic phase (> 1stCP), and patients allografted in blast crisis (BC).