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. 2019 Jun 6;12:255–262. doi: 10.2147/CEG.S207333

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© 2019 Suzuki et al.

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(A) Kaplan-Meier curve for disease-free survival (DFS) for patients with distal cholangiocarcinoma according to DFS in number of positive lymph nodes; DFS rates in the number of positive lymph nodes (0, 1, 2) group were significantly better than those in the number of positive lymph nodes (≥3) group (P<0.001). (B) Kaplan-Meier curve for overall survival (OS) for patients with distal cholangiocarcinoma according to number of positive lymph nodes; OS rates in the number of positive lymph nodes (0,1,2) group were significantly better than those in the number of positive lymph nodes (≥3) group (P<0.001).