Metastatic Malignant Neoplasm in the Brain Stem

**Semantic type:** Neoplastic Process

**Definition:** A malignant neoplasm that has spread from its original site of growth to the brain stem.

**Synonyms:** - Metastatic Malignant Neoplasm to the Brain Stem - Metastatic Neoplasm to the Brain Stem - Metastatic Neoplasm to the Brainstem - Metastatic Tumor to the Brain Stem - Metastatic Tumor to the Brainstem