Thank you everyone for your posts, support and thoughts.

Dragondawg - She is on Innova EVO RM formula supplemented by raw (no grains in her diet), so hopefully I am on the right track on diet though I will ask my vet more about that too. I will also write down the things you mentioned to ask him about.

I tried to do some research but can't handle it as there is a lot of grim articles about oral cancers out there and the prognosis.

The conversation is a bit hazy in my mind because I was in a state of shock, but I do remember him saying it was well differentiated and that is another plus. I understand some of what that means due to being a medical transcriptionist.