This opens another option for people about to have a brain tumor surgery. This article describes how they give a cocktail of drugs a few days before the surgery then when they do the surgery they can measure if the drugs got into the tumor and if they have shown efficacy. If yes, they continue with that cocktail, if not, they switch to something else. This prevents you from wasting time with an ineffective cocktail. This team is also open to experimenting with different cocktails based on prior lab results. The article says that this team treats more glioblastomas than any other center in the country!