In this week’s Keeping Kids Healthy column by UTMB Drs. Sally Robinson and Keith Bly: Doctors have three main treatment strategies to treat cancer: surgery, radiation and chemotherapy. Depending on the type of cancer and how much it has spread, the overall treatment may combine several of the different kinds of therapy. We’ve found it useful to explain cancer treatment with an analogy many people can easily relate to: fighting weeds in your yard.