The following article claims that one man cured his own cancer by simply eating a raw food diet:

http://naturalsociety.com/man-called-crazy-doctors-cured-own-colon-cancer/

Lets get one thing straight – Doctors do not hate this guy, and he did not cure his cancer. In his own words he states that Doctors removed “a third of my colon, they took out a golf ball sized tumor”. Then he refused to do any chemo therapy that would prevent the cancer from returning. Instead he began eating a raw foods diet, and claims that this cured his cancer. I wonder if the surgical removal of the cancer might have had more to do with it than “eight glasses of vegetables juice a day” and “Praying like crazy”. An extremely smart man named Steve Jobs also went this route with his pancreatic cancer and we all know the results.

TL;DR – His cancer was surgically removed then he ate plants. Claims plants were the cure.