This is great all round site, loads of info for free / cheap medical treatments: Things like ozone generator, hydrogen peroxide etc are also meant to raise the oxygen levels- the other thing needed to beat cancer.

https://educate-yourself.org/cancer/

Also, using blackstrap molasses as a vehicle is meant to work well- bicarb on it's own may fail to reach the target. The molasses convince the cancer to feed- the bicarb goes in and frazzles in- like a trojan horse I guess.

https://www.soundmountainhealing.com/blog/Baking-Soda-and-Blackstrap-Cancer-Plan/

Disclaimer: I haven't had cause to try either of these, this is only an advice to read further into it and make a decision based on your own situation.