“…Instead of endoscopic stenting, routine PTBD has been recommended as the standard preoperative preparation for patients with hilar cholangiocarcinoma, and this has now gained in popularity 10,21,22 . It was suggested previously that hilar cholangiocarcinoma could be adequately treated with local resection, and bile ducts could be resected up to the tertiary branches of the hepatic ducts without liver resection 23,24 . Considering that hilar cholangiocarcinoma has a strong propensity to spread along the biliary tree and invade the surrounding tissues and vascular structures, limited resection of the bile duct alone cannot be accepted as a curative operation.…”