affiliation not provided to SSRN, Maastricht University - GROW School for Oncology and Reproduction, Utrecht University - University Medical Center (Utrecht), University of Amsterdam - Cancer Center Amsterdam, University of Amsterdam - University Medical Center, University of Amsterdam - University Medical Center, University of Amsterdam - Department of Surgery, affiliation not provided to SSRN, Utrecht University - University Medical Center (Utrecht), Utrecht University - Department of Upper Gastrointestinal Surgery, affiliation not provided to SSRN, Erasmus University Rotterdam (EUR), Radboud University Nijmegen - Radboud University Medical Center, Radboud University, Radiotherapiegroep, affiliation not provided to SSRN, Maastricht University, Netherlands Comprehensive Cancer Organisation, University of Groningen - University Medical Center Groningen, University of Groningen, affiliation not provided to SSRN and affiliation not provided to SSRN