Eduardo A Vega1,2, Timothy E Newhook2, Jean-Nicolas Vauthey3. 1. Department of Surgery, St. Elizabeth's Medical Center, Tufts University School of Medicine, Boston, MA, USA. 2. Department of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA. 3. Department of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA. jvauthey@mdanderson.org.