1 Department of Surgical Oncology, CHU Lyon Sud, Hospices Civils de Lyon, University of Lyon, France; Department of Surgery, Tulane University, School of Medicine, New Orleans, LA, 70112, USA.
2 Department of Surgical Oncology, CHU Lyon Sud, Hospices Civils de Lyon, University of Lyon, France; EMR 37-38, Lyon 1 University, Lyon, France.
3 Department of Surgical Oncology, CHU Lyon Sud, Hospices Civils de Lyon, University of Lyon, France; EMR 37-38, Lyon 1 University, Lyon, France. Electronic address: guillaume.passot@chu-lyon.fr.