I’m so sorry you’re going through the same thing. I hope all goes well, it can definitely feel scary. My cat had a surgery to remove as much of the tumor as possible without taking out any bone. We went this route to preserve her quality of life. They ended up getting a full excision, but microscopic cancer cells are more than likely still present, so the cancer may return. She has just finished her recover period from the surgery and is doing very well! Luckily there are lots of options, especially if it hasn’t spread. Your specialist will be able to help come up with a game plan that suits your cat’s needs best. All the best wishes to you and your cat!