11. In 2015 Ty Page announced that he had brain cancer, an astrocytoma of a frontal lobe. 12. Recent emphasis has been placed on the small Rho-GTPase as potential targets for inhibiting astrocytoma invasiveness. 13. It turned out to be the first sign of an astrocytoma , she said, a malignant brain tumor. 14. He announced Monday that medical tests showed he had a tumor, astrocytoma , and will undergo radiotherapy treatment. 15. In January 1998, Quisenberry was diagnosed with grade IV astrocytoma , a highly malignant form of brain cancer. 16. Although chemotherapy for fibrillary astrocytoma improve overall survival, it is effective only in about 20 % of cases. 17. Activation of CD47 with TSP-1 increases proliferation of human U87 and U373 astrocytoma cells but not normal astrocytes. 18. The deaths occurred between 1951 and 1977, and most of the cancers were of two strains : astrocytoma and glioblastoma. 19. Others theorize that those cases were in fact a far more common kind of brain cancer called astrocytoma , Huncharek said. 20. Two had intramedullary cervical tumours, and one, a Guy's Hospital nurse, probably had a cystic astrocytoma .