This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology, Subject name: Pathology
Most common glial tumor 
Select and explain. 
A. Ependymomas, B. Astrocytoma, C. Meningioma, D. Neurofibroma
B: Astrocytoma
Answer: B: Astrocytoma 
Explanation: Astrocytomas are the most common tumours among all other gliomas .....and in astrocytoma infiltrating type has an occurrence of 80 percent of all cases. REF : Robbins and cotrans , 9e , pg : 1306