Brain tumors or malignant gliomas are similar to warts regarding removal.  When attempts at surgery to extract all that can be eliminated from a persons brain with regard to tumor, still leaves a person at risk for the cancer to exist, eventually regrow and spread to the size it was prior to removal; to what benefit is the surgery? How long will surgery prolong life which includes costly operations before the cancer finally takes over and surgey is no longer an option? Cancerous tentacles tha...