Benign and malignant neoplastic processes that arise from or secondarily involve the brain, spinal cord, or meninges.

Synonyms: Neoplasms, CNS, Central Nervous System Neoplasms, Central Nervous System Neoplasms, Primary, Central Nervous System Tumor, Neoplasm, CNS, Central Nervous System Tumors, CNS Neoplasms, Neoplasms, Central Nervous System, Primary Central Nervous System Neoplasms, CNS Neoplasm, Central Nervous System Neoplasm, Primary Central Nervous System Neoplasm, Tumors, Central Nervous System