OPEN Journal of gastroenterology and hepatology | 8 Aug 2015
K Mao, J Liu, J Sun, J Zhang, J Chen, TM Pawlik, LK Jacobs, Z Xiao and J Wang
Lymph node metastasis is a major prognostic factor for perihilar cholangiocarcinoma (PHC). However, prognostic significance of extent of node dissection, lymph node ratio (LNR), number and location of positive nodes remain unclear. We aimed to evaluate whether node status, LNR, number or location of positive nodes are independent factors for staging in PHC, and to determine the minimum requirements for node examination.
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