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Chi‐square test p = .01.
Abbreviations: 18F‐FDG PET, 18F‐fluorodeoxyglucose positron emission tomography; NET G1, neuroendocrine tumors with Ki67 ≤ 2%; NET G2, neuroendocrine tumors with Ki67 3%–20%; NEC G3, neuroendocrine carcinomas with Ki67 >20%.
