Pathology Which of the following is not compatible with a diagnosis of chronic myelomonocytic leukemia? A Peripheral blood monocytosis more than 1 x 109/L B Absence of Philadelphia chromosome C More than 20% blasts in blood or bone marrow D Myelodysplasia 💡 Explanation Which of the following is not compatible with a diagnosis of chronic myelomonocytic leukemia? ✓ Correct Answer: C. More than 20% blasts in blood or bone marrow