As always, do your own research, and consult with a professional.
Natural Cancer Options
Lemons
According to Dr. Murray, lemons can help fight cancer.
On Naturalon.com, lemon rinds can help.
Pineapples
Naturalon has an article for pineapples, too.
Under Ground Health Reporter also has a piece.
Cannabis
10 Research-Backed Ways Cannabis Helps Fight Cancer
Fighting Cancer with Cannabis – Natural Mentor
RUN FROM THE CURE – The Rick Simpson Story – Full Length
While not related to cancer, this is an interesting WWII US promo:
Hemp For Victory – USDA Full Official 1942
Black Cumin Seed
Black Cumin Seed: A Powerful Tool in the Fight Against Cancer