A neoplasm that affects the cerebellum and occurs during childhood. The disease is MONDO_0003263 (childhood cerebellar neoplasm). Also known as: childhood cerebellar neoplasms, childhood cerebellar tumor, childhood cerebellar tumors, childhood cerebellar tumour, childhood cerebellar tumours, childhood neoplasm of cerebellum, childhood neoplasm of the cerebellum, childhood tumor of cerebellum.