Currently the only way to eliminate the cancer is thru surgery and/or radiation with or without chemo. Those are your only options.
The only thing you have that is within your control is your intake. That needs to be your focus starting today right thru until a year after you finish your treatments. Your body is going thru so many changes and is under so much stress battling cancer and trying to heel itself you need good nutrition.
It seems like you are not satisfied with your options. A second opinion is always a good idea. Below is a list of comprehensive cancer centers (CCC). Those are the countries top hospitals to treat cancer. They use a team based approach where all the specialists get together so everyone is on the same page. If you cant get to a CCC, there is also a list of the top US hospitals. Look for a teaching hospital or university hospital. Find the best medical care you can and go with it.
CCC list US News Best Hospitals List