Medicine Tumors of Nervous System ee798e4e Most common site of sub ependymal astrocytoma A Trigone of lateral ventricle B Foramen of Munro C Temporal horn of lateral ventricle D 4th ventricle High-Yield Explanation Ans. is 'b' i.e. Foramen of Munro Most common site of subependymal astrocytoma is Foramen of monro.