Association of lymph node metastases, grade and extent of mesenteric lymph node dissection in locoregional small intestinal neuroendocrine tumors with recurrence-free survival.

However, when assessing the LN metastases count in stage IIIb and a minimum of five retrieved LNs, there was a statistical trend for shorter RFS and distant recurrence in patients with more than five LN metastases (< 5 LN metastases: median RFS not reached vs. ≥ 5 LN metastases: 86.8 months 95% CI = 46–127.6; log‐rank, p = .061) (see Supporting information, Figure S2B ), but no evident difference for locoregional recurrence (< 5 LN metastases: median RFS not reached vs. ≥ 5 LN metastases: 73.67 months 95% CI = 36.1–111.2; log‐rank, p = .603) (see Supporting information, Figure S2A ).

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