Cancer & Tumors Cancer & Oncology Brain & Nervous System

central nervous system metastasis

Meaning of central nervous system metastasis: Cancer that has spread from the original (primary) tumor to the central nervous system (CNS).

Definition of central nervous system metastasis

Cancer that has spread from the original (primary) tumor to the central nervous system (CNS). Also called CNS metastasis.

Written and maintained by James Murray Last updated July 21, 2026 Educational reference, not medical advice. Read the limitations.

For learning, not diagnosis. This glossary provides general educational information and is not a substitute for advice from a qualified healthcare professional. If you may be experiencing a medical emergency, contact local emergency services.