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Latency period from pituitary adenoma to development of secondary brain tumor. (A) Comparing groups classified as brain tumor histology. (B) Comparing groups classified as pituitary adenoma type. ACTH: Cushing disease, GH: acromegaly, N.D.: not determined, NF: non-functioning adenoma, PRL: prolactinoma. (C) Comparing groups classified in 0–19, 20–39, 40–76 year age group.
