brain stem hemangioblastoma (MONDO_0003902) is a hemangioblastoma that involves the brainstem. Also known as: angioblastoma of brain stem, angioblastoma of brainstem, angioblastoma of the brain stem, angioblastoma of the brainstem, brain stem angioblastoma, brain stem capillary hemangioblastoma, brainstem angioblastoma, brainstem hemangioblastoma.