Are There Natural Ways Of Treating Thyroid And Liver Cancer?

2 friends- each facing surgey for 1/ 2nd time liver cancer 2/ throid cancer..both men have shared as much as possible after many moons learning from Majid Ali, Andrew Weil, dr. Steven Sinatra etc re natural approaches to handling these issues..various cleanses..milk thistle, large doses vitamin c, garlic, etc any other suggestions? thanx