WHO grade I tumour is located in Cerebellum On histological examination Rosenthal fibres seen what is the most probable diagnosis?
Pilocytic astrocytoma :

WHO grade I tumour.
Usually occurs in Cerebellum.
Biphasic tumour.
Rosenthal fibres seen.
Medulloblastoma
Crainopharyngioma
Pilocytic astrocytoma
Ependymoma