Duodenal resection for retroperitoneal sarcoma and GIST: Short-term outcomes. Issue 10 (October 2018) - Samà, L.; Cananzi, F.C.M.; Marzorati, A.; Conti, L.; Minerva, E.M.; Zuccarelli, A.M.; Cozzaglio, L.; Quagliuolo, V.L.