This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pathology
Which of the following is not true about Glioblastoma.. 
Select and explain. 
A. Also known as Butterfly tumor, B. Frontal lobe of the brain is common location, C. It belongs to WHO grade 3 Astrocytoma, D. Serpentine necrosis and glomeruloid bodies
C: It belongs to WHO grade 3 Astrocytoma
Answer: C: It belongs to WHO grade 3 Astrocytoma 
Explanation: Glioblastoma belongs to grade 4 astrocytoma.It has worse prognosis.