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Central nervous system (CNS) tumors often recur, sometimes many years after treatment.
Source: Adult Central Nervous System Tumors Treatment (PDQ®)–Patient Version, National Cancer Institute.
Source updated: January 5, 2024 · Captured 2026-09-09.
Selected source text with whitespace normalised. This Triangle page is not an NCI PDQ summary. Independent clinical review is pending.
A recurrent CNS tumor is a tumor that has recurred (come back) after it has been treated. The tumor may recur at the same place as the first tumor or in other parts of the CNS.
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Preserved source evidence · Independent clinical review pending · Not medical advice