Not a cure, but the following is my experience with a product that I used to manufacture and sell. While that particular product is no longer available, we do sell similar products for killing microbes in water.
Warning, as a result of a biopsy, if there was a biopsy, the cancer has probably already spread. If it spreads to the inside of the mouth or into the nasal passages, the entire dynamic may change.
This is not an effort to promote a product, but to spread awareness and information.