Department of Surgery;
Cancer Center Amsterdam;
Amsterdam UMC;
University of Amsterdam;
Amsterdam 1105 AZ;
Netherlands;
Department of Pathology;
Amsterdam UMC;
University of Amsterdam;
Amsterdam 1105 AZ;
Netherlands;
Department of Gastroenterology;
Amsterdam UMC;
University of Amsterdam;
Amsterdam 1105 AZ;
Netherlands;
Department of Interventional Radiology;
Amsterdam UMC;
University of Amsterdam;
Amsterdam 1105 AZ;
Netherlands;
Department of Radiation Oncology;
Amsterdam UMC;
University of Amsterdam;
Amsterdam 1105 AZ;
Netherlands;
Perihilar cholangiocarcinoma; Seeding metastases; Preventive radiotherapy;