A 45 year old male patient complains of fever, weakness and loss of appetite. General physical examination reveals splenomegaly. Histopathologic examination reveals LAP score of 10. This patient may be suffering from?: (A) Thrombocytosis, (B) Polycythemia vera, (C) Chronic myeloid leukemia, (D) Myelofibrosis
Answer is C. Myeloproliferative disorders: