Cancer cell is not dangerous. It is the WRONG METHOD used by the medical practictioner in treating the patients Which exacerbated their health immune system ultimately led to death. In fact, there are many many testimonies from patients being told by doctors their survival rate not more than 3 months. Fortunately, they never listened and used the CORRECT method to treat their cancer and now still kicking and living >3 years. Always use your brain to think not what being told by doctors