1 Department of Digestive and Oncological Surgery, Claude Huriez University Hospital, Lille, France; North of France University, Lille, France; Inserm, UMR S-1172, JPARC, Lille, France; SIRIC OncoLille, Lille, France. Electronic address: christophe.mariette@chru-lille.fr.
2 Division of Surgery, University Hospitals NHS Foundation Trust, Bristol, UK.
3 Department of Digestive and Oncological Surgery, Claude Huriez University Hospital, Lille, France; North of France University, Lille, France; Inserm, UMR S-1172, JPARC, Lille, France; SIRIC OncoLille, Lille, France.
4 SIRIC OncoLille, Lille, France; Department of Oncology, Centre Oscar Lambret, Lille, France.