Hi David,
Since you seem to be considering alternatives, please look into cesium/DMSO therapy. This is the strongest thing out there for stage IV cancer.
Please go to www.cancertutor.com.
I am not affiliated with this website, I'm an accountant. But I have seen several people, including terminal cases, cured in several weeks on cesium/dmso.
Read up on it all you can everywhere. Stay away from Quackwatch. It's garbage.