Optimal Indications for Additional Resection of the Invasive Cancer-Positive Proximal Bile Duct Margin in Cases of Advanced Perihilar Cholangiocarcinoma

摘要

The survival benefits of additional resection of the positive proximal ductal margin in cases of perihilar cholangiocarcinoma remain to be elucidated. The purpose of this retrospective study was to clarify the optimal indications for additional resection of the invasive cancer-positive proximal ductal margin (PM)