I hope he is doing more than just juiceing. That is fine, but if the cancer is advanced than other methods must be employed to kill the cancer microbe, support the liver function, support all other bodily functions, and stimulate the immune system. Have you considered Rife, artemisinin, Dr. Mathias Rath program, "C-Cure", Colloidal Silver , cesium, Transfer Factor Plus, etc? Best of luck, this won't be easy.