been a year since diagnosed with npc

Time flies when you have so many doc's appointments. Last year this week, I was told about the bad news - NPC Stage 4 and was told I had roughly 40% survival rate. After the biopsy came back which shows EBV, doc told me my prognosis is better, survival rate increased to 50%. I went through some emotional roller coaster but did manage to complete my treatment and so far all scans and scopes have been clear. some side effects but nothing major. Thyroid is a little low so doc prescribed synthroid and after taking it for 2 months thyroid level is back to normal. skin is dry and peeling in some areas. still not back to my normal weight becuase my appetite still not back. Still drinking lots of ensure but i have to stop becuase my blood test came back with too much sugar. now what do i take that has high calories but less sugar? energy level is not bad, almost back to normal. I am paranoid about losing my teeth so i brush 5 to 6 times a day. Of course there is always fear of the beast coming back.

Anybody tested EBV positve for your cancer? Is your doc monitoring the EBV level in your blood after the treatment? I read this is a marker for predicting NPC reccurrance but my doc doesnt believe in this so they dont monitor my blood for EBV and told scans and scope are the monitoring tools.