This book or story 'Cancer Vixen: A True Story' is most likely centered around a personal account of cancer. It could be that it follows the protagonist from the moment she discovers she has cancer. It may show her initial shock, denial, and then her gradual acceptance. It might explore how she managed to keep her sense of self, her sense of humor perhaps, while going through chemotherapy, radiation, or other treatments. It may also touch on the support system she had, be it family, friends, or a community, and how they helped her in this arduous journey of fighting cancer.
It's about a woman's experience with cancer. It likely details her journey, including how she coped, her emotions, and the challenges she faced during her battle with cancer.