Invasion category-oriented lymph node metastases of cholangiocarcinoma and the prognostic impact.
Shogo KobayashiHiroshi WadaAkira TomokuniHidenori TakahashiKunihito GotohMasato SakonMasaki MoriYuichiro DokiHidetoshi EguchiPublished in: Langenbeck's archives of surgery (2020)
LN metastasis depended on the ICC invasion category in addition to the tumor number, which affected patients' survival and the need for LND. In hilar-type disease, LN dissection may contribute to the survival.