Professor Ferdinando Cafiero is Head of the Liguria Regional Surgical Department and Head of the General Surgical Unit at the Policlinico San Martino Hospital of Genoa (Italy). His research is currently focused on neoplastic colorectal disease, soft tissue sarcomas, and melanoma, from both the diagnostic and therapeutic points of view, with a specific interest in sentinel lymph node research and the surgical treatment of lymph nodes in different tumors. From 1993 to present, he has collected over 1600 case studies on patients with melanoma. He is the author of 102 publications in indexed journals and of six monographs. Professor Franco De Cian is full professor of General Surgery at the University of Genoa and Head of the Surgical Department at the Policlinico San Martino Hospital of Genoa (Italy). His clinical activity is mainly centered on the multimodal treatment of gastric, colorectal, liver, pancreatic, peritoneal and soft tissue neoplasms. His activity in advanced oncological surgery is characterized by high complexity interventions at regional, national and international levels. He is the author of 181 publications on national and international journals.