What is CNS glioma, that caused the death of 33-year-old actress Kelley Mack?
'The Walking Dead' actress Kelley Mack passed away on Saturday, aged 33, due to CNS glioma. Gliomas are a diverse group of tumours originating from glial cells in the brain and spinal cord, representing the most common primary brain tumour within the central nervous system. Early signs and symptoms include new-onset headaches, seizures, cognitive deficits, or focal neurological deficits.