You might look at liposomal essential oils which can help destroy blood pathogens and they might help if combined with Efflux Pump Inhibitors, Quorum Sensing Inhibitors and Enzymes. There is one place which can seriously disrupt methylation processes which help supress cancer cell growth along with helping the body to detox.
I have never had cancer but my mother died of breast cancer. She did very briefly try Essiac tea, not that it did much good. The doctors burned her, poisoned her with chemo and cut her and then sent her home to die.