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Prognostic impact of the number of metastatic lymph nodes in distal bile duct cancer: An analysis of Japanese registration cases by the study group for biliary surgery of the Japanese Society of Hepato-Biliary-Pancreatic Surgery.

Shin IshiharaAkihiko HoriguchiItraru EndoToshifumi WakakiSatoshi HiranoHiroki YamaueMasakazu Yamamoto
Published in: Journal of hepato-biliary-pancreatic sciences (2020)
Our data suggest lymph node classification as N0 (patients without lymph node metastases), N1 (metastasis in 1-2 regional lymph nodes), and N2 (metastases in ≥3 regional lymph nodes).
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