It is recommended to do the liver flush first and then continue to do periodic flushes as well as take other measures to protect and rebuild the liver, such as:
Any de-tox and/or cancer and disease fighting regimen should include special attention to the liver. Normally, the liver is already impaired for the disease to be present to begin with and any successful program is going to increase the burden on the liver because of the toxins that will be released. Chelating metals at the same time will increase the burden; however, metal magic is a more gently way to go and the chelation can take up to six weeks. If it were me, I would perhaps do the chelation along with the anti-cancer protocol and oleander for 5-7 days then stop the chelation for a couple of days and then resume. During the two day "rest", you could do a mild liver flush.
Also, if you follow the protocol for beating cancer, one of the bigger weapons is the Inositol/IP6, which also chelates metals and the Blood Support product also helps detox and cleanse the blood and liver. Do not take the Inositol/IP6 or Metal Magic within an hour of taking colloidal silver (yet another big gun).