<prompt>  A patient presents with a platelet count of 700 x 109L with abnormalities in size, shape and granularity of platelets. WBC count of 12 x 109 L, hemoglobin of 11gdl and the absence of the Philadelphia chromosome. The most likely diagnosis would be-Polycythemia veraEssential thrombocythemiaChronic myeloid leukemiaLeukemoid reaction 