A malignant neoplasm involving the central nervous system. The disease is Monarch Disease Ontology identifier MONDO_0002714 (central nervous system cancer). Also known as: CNS cancer, CNS malignant neoplasms, CNS neoplasms, malignant, cancer of CNS, cancer of central nervous system, cancer of the CNS, cancer of the central nervous system, central nervous system neoplasms, malignant.