brain stem tumorとは意味:脳幹部腫瘍{のうかんぶ しゅよう} brain stem tumor meaning:[Medicine] Benign and malignant intra-axial tumors of the MESENCEPHALON; PONS; or MEDULLA OBLONGATA of the BRAIN STEM. Primary and metastatic neoplasms may occur in this location. Clinical features in...