We have also heard fantastic testimonials about hemp oil use for cancer treatment. The products being offered right now are often adulterated so you must be careful what you purchase.
We recommend this site for accurate information: http://phoenixtears.ca/contact/
This is the site that Rick Simpson was associated with prior to moving away due to problems with the government over his advocacy for hemp oil use.
To our knowledge he still recommends people make their own if they can get the plants legally.
As an alternative to using hemp oil, or even in addition to its use please consider Dr. Sircus' full protocol for cancer care. Please read his writings on this and obtain his new book The Changing Landscape of Cancer :
http://drsircus.com/books/e-book/the-changing-landscape-of-cancer/
or his recently release book Medical Marijuana where he discusses hemp oil and extracts in detail:
very good information