A 64  year old man is referred to haematology outpatients with progressive chronic anaemia and leucocytosis. He has previously been very fit but has become very lethargic  over the past few months.

Hb 95, MCV 103, Plts 90, WCC 17, neuts 14

Questions:

• What further information would you ascertain?
• What initial investigations would you want to perform?

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