I would have to say if its not limbo its pretty close. Ok so you got a couple answers but more questions, maybe read this post to the doctor,

I got lost at the HVP, I am not familar with what that is, was cancer mentioned? I pray not, I agree 100 percent on calling the doctor, and ask all these questions, they are important questions

what prompted them to look, was it your blood work, did they see something in blood count. Sorry I do not have an answer on this, I am thinking and praying for a fast and positive outcome