Lata,
I'm sorry to hear about your boyfriend's recent diagnosis. My thoughts and prayers are with you both at this time.
If you could it would be helpful if you could tell me exactly what the diagnosis from the pathology report was. "15 pop positive CA - Leukoplakia." I have been doing some research for you but have come up empty handed on this one. I can help you with the leukoplakia but the rest seems to be a mystery even on my medline professional search.

Cheers,

Mike