Dr. K K Aggarwal, President Heart Care Foundation of India and Group Editor in Chief MEDtalks, will discuss the treatment options available for patients with brain tumor recurrence in this video. In a study, it is shown that genetically polio virus can be a useful drug in the treatment of grade 4 brain tumor. The study results showed that 21% showed regression of the tumor. Hence, genetically modified polio drug can be a future anti-cancer drug.