Brain Stem Neoplasm

**Semantic type:** Neoplastic Process

**Definition:** A benign or malignant neoplasm that affects the brain stem.

**Synonyms:** - Brain Stem Tumor - Brainstem Neoplasm - Brainstem Tumor - Neoplasm of Brain Stem - Neoplasm of Brainstem - Neoplasm of the Brain Stem - Neoplasm of the Brainstem - Tumor of Brain Stem - Tumor of Brainstem - Tumor of the Brain Stem - Tumor of the Brainstem - brain stem tumor