1 Department of Digestive and Hepatobiliary Surgery, Estaing hospital, CHU Clermont-Ferrand, 1 Place Lucie et Raymond Aubrac, Clermont-Ferrand, France. Electronic address: leroybertrand8@gmail.com.
2 Department of Surgical Oncology, Léon Bérard Cancer Centre, Lyon, France.
3 Department of Vascular Radiology, Gabriel Montpied hospital, CHU Clermont-Ferrand, Place Henri Dunant, Clermont-Ferrand, France.
4 Department of Digestive and Hepatobiliary Surgery, Estaing hospital, CHU Clermont-Ferrand, 1 Place Lucie et Raymond Aubrac, Clermont-Ferrand, France.