A 55-year-old patient presents with fatigue, night sweats, and splenomegaly. Full blood count shows very high white cell count with the Philadelphia chromosome on cytogenetics. Which diagnosis is most likely?AAcute myeloid leukaemiaBChronic myeloid leukaemiaCChronic lymphocytic leukaemiaDEssential thrombocythaemiaEPolycythaemia veraCheck my answer