Leukemia, Myeloid [Disease/Finding] Myeloproliferative Disorders [Disease/Finding] Leukemia, Myelogenous, Chronic, BCR-ABL Positive [Disease/Finding] M0023821 Leukemia, Myeloid, Ph1-Positive Myelogenous Leukemia, Ph1-Positive Myelogenous Leukemia, Chronic Leukemia, Myelogenous, Chronic 92818009 Leukemia, Myelogenous, Chronic, BCR-ABL Positive Myelocytic Leukemia, Chronic Myeloid Leukemia, Ph1-Positive Leukemia, Myeloid, Ph1 Positive D015464 Leukemia, Myeloid, Philadelphia Positive C0023473 N0000003261 Leukemia, Myeloid, Philadelphia-Positive C6700 Leukemia, Myeloid, Chronic Leukemia, Myelogenous, Ph1 Positive 1021752 Leukemia, Granulocytic, Chronic Leukemia, Myelogenous, Chronic, BCR-ABL Positive Clonal hematopoetic disorder caused by an acquired genetic defect in PLURIPOTENT STEM CELLS. It starts in MYELOID CELLS of the bone marrow, invades the blood and then other organs. The condition progresses from a stable, more indolent, chronic phase (LEUKEMIA, MYELOID, CHRONIC PHASE) lasting up to 7 years, to an advanced phase composed of an accelerated phase (LEUKEMIA, MYELOID, ACCELERATED PHASE) and BLAST CRISIS. Granulocytic Leukemia, Chronic Leukemia, Myelogenous, Ph1-Positive Myeloid Leukemia, Philadelphia-Positive Leukemia, Myelocytic, Chronic Myeloid Leukemia, Chronic