Emigrating and what NHS can do

Hello,
I have CML and it's managed well with TKI treatment, which means I will almost certainly be on 1 tablet daily for the rest of my life.

I am a UK citizen and resident, and my wife and I will be emigrating to an EU country to either continue working or retire in the next year or two.

Has anyone experience of actually doing this?

Everyone I contact at NHS or my haematologist (and team) have no idea what's involved. The NHS website just says if you're not a resident we won't help you. Other web resources aren't clear or contractionary. I realise of course I will need to contact the health authority of our destination, but it would be very helpful to speak with someone who has real-life experience of doing this.

many thanks and I wish you all well