No holistic doctor who wants to stay in business will recommend something specifically for cancer of any kind.
It is often difficult to pin down the cause, which could be diet, environmental, materials in her walls...
Basically, cancer cannot survive in an alkaline system > 8.0- 9.5
I am not a doctor, but recommend a combination of Divinia Water (extremely purified and structured) + getting your own vortex device. See Aqualiv. I am investigating whether to get the tank as we speak
Another option is President Water. They have lots of YT videos. Look for the ones with the female doctor
Go to Dr Mercola web site and Cure Zone web site and start researching
Also get a Omega Juicer and start drinking 12-16ozs of fresh squeezed juice a day. There are books with recipes
hth