--it's been reproduced in a number of places and is probably the best guide, but yes, your result is the most inspecific of the possibilities.

Moreover, it's quite possible that the result in currently influenced by the recent surgery and medical events, and might be different down the road. So I don't know how useful it is for diagnostic purposed right now. And I assume there are no other signs of lymphoproliferative disorders/blood cancers at this point and that you've had enough complete blood counts or even a peripheral blood smear to rule those out, although it's possible there is still an infection ongoing . . .

Wish I could be more helpful, but there's not a lot to go on there--maybe other more specific testing would be more helpful, if they'll do them in London. Look through the Lizajane charts and see what you have and haven't had done:

www.lizajane.org