Splenic volume and splenic vein diameter are independent pre-operative risk factors of portal vein thrombosis after splenectomy: a retrospective cohort study oleh Guillaume Péré, Hubert Basselerie, Charlotte Maulat, Armando Pitocco, Pierrick Leblanc, Antoine Philis, Charles Henri Julio, Géraud Tuyeras, Etienne Buscail, Nicolas Carrere