ABL1 and chronic myelogenous leukemia, BCR-ABL1 positive: Between July 2003 and July 2009, a total of 458 adult patients (median age 52 years (range 17–81), men 51.3%) with Ph-positive CML in the CP (one patient was BCR-ABL positive, but without Ph chromosome), treated with IM as a first-line therapy, were recorded in the databases CAMELIA and INFINITY (Table 1).