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Second malignancies occurred in 472 of 2821 patients with gastroenteropancreatic neuroendocrine tumor. A: The absolute number; B: The percentage of patients with one or more second (non-gastroenteropancreatic neuroendocrine tumor, non-GEP-NET) neoplasms. 0 = No second neoplasm. GEP-NET: Gastroenteropancreatic neuroendocrine tumor.
