Gte the biopsies ASAP. The only way to know is by a biopsy. When I began down the road you were, I had a CT which showed up absolutely nothing, but a sinus infection. I eventually had a biopsy because of the pain I was having and it did turn out cancer. That said everyone is different, and you know that as nurse. We are all here for you. This is an amazing place to be. Let us know what you decide to do.