ABL1 and chronic myelogenous leukemia, BCR-ABL1 positive: Nexus 7.5 analysed chronic myeloid leukemia samples of different undergoing treatment (Chronic Phase under treatment; CP-UT, accelerated phase under treatment; AP-UT and Blast Phase under treatment; B-UT ) and new cases (Chronic Phase-new; CP-new and Blast new; B-new) cases: clustered on the basis of copy number variations in relation to BCR-ABL transcript levels