affiliation not provided to SSRN, Utrecht University - University Medical Center (Utrecht), affiliation not provided to SSRN, affiliation not provided to SSRN, University of Amsterdam - Amsterdam UMC, University of Amsterdam - Amsterdam University Medical Centers, Utrecht University - University Medical Center (Utrecht), affiliation not provided to SSRN, Onze Lieve Vrouwen Gasthuis, Catharina Hospital, Erasmus University Medical Center Rotterdam - Medical Oncology, Utrecht University - University Medical Center (Utrecht), Medisch Spectrum Twente, affiliation not provided to SSRN, University of Groningen - Department of Gastroenterology and Hepatology, affiliation not provided to SSRN, Radboud University, affiliation not provided to SSRN, University of Amsterdam - Amsterdam UMC, University Medical Center Utrecht, St. Antonius Hospital, Erasmus University Rotterdam (EUR) - Department of Surgery and Erasmus University Rotterdam (EUR) - Department of Surgery

affiliation not provided to SSRN, affiliation not provided to SSRN, University of Amsterdam - Amsterdam UMC, Erasmus University Medical Center Rotterdam - Medical Oncology, Maastricht University - GROW School for Oncology and Reproduction, Erasmus University Rotterdam (EUR) - Department of Surgery, affiliation not provided to SSRN, Erasmus University Rotterdam (EUR) - Department of Surgery, affiliation not provided to SSRN and Erasmus University Rotterdam (EUR) - Department of Surgery

Erasmus University Rotterdam (EUR) - Department of Surgery, Erasmus University Medical Center Rotterdam - Department of Pathology Unit of Tumor Immuno-Pathology, Erasmus University Rotterdam (EUR) - Department of Surgery, Erasmus University Rotterdam (EUR) - Department of Surgery, Erasmus University Rotterdam (EUR) - Department of Surgery, Erasmus University Medical Center Rotterdam - Medical Oncology, Leiden University - Department of Medical Oncology,, Erasmus University Rotterdam (EUR) - Department of Surgery and Erasmus University Medical Center Rotterdam - Department of Pathology Unit of Tumor Immuno-Pathology