Oncological impacts of lymph node dissection in intrahepatic cholangiocarcinoma with preoperative radiologically negative lymph node metastasis.
Backgrounds/Aims The oncological benefit of lymph node dissection (LND) in intrahepatic cholangiocarcinoma (iCCA) without radiological evidence of nodal metastasis remains uncertain. We evaluated the impact of LND on survival in patients with clinically node-negative (cN0) iCCA. Methods We retrospectively reviewed 27...