Hi Julie.w and welcome to Cancer Chat, although I'm sorry to hear your son has Non-Hodgkin Lymphoma.
Unfortunately I can't answer the question you've asked in your post but our team of cancer nurses should be able to help, so if you'd like to have a quick chat with them about this, they're available on 0808 800 4040, Monday - Friday between 9a.m - 5p.m. They're very knowledgeable and will do all they can to give you the information and answers you're seeking at this time.
We're here for you Julie.w and wishing your son all the best on this journey.
