volume 22, issue 13, P4392-4401 2015
DOI: 10.1245/s10434-015-4499-y
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Abstract: Background Current nodal staging (N-staging) of am-pullary carcinoma in the TNM staging system distinguishes between node-negative (N0) and node-positive (N1) disease but does not consider the metastatic lymph node (LN) number. Methods Overall, 313 patients who underwent pancreatoduodenectomy for ampullary adenocarcinoma were categorized as N0, N1 (1–2 metastatic LNs), or N2 (≥3 metastatic LNs), as proposed by Kang et al. Clinico-pathological features and overall survival (OS) of the three groups were comp…

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