The 4th World Congress for the Advancement of Surgery (WCAS 2013 Tel Aviv) will feature internationally acclaimed surgeons in a high quality, state-of-the-art, academic conference. This niche meeting is a unique event driven by the desire to disseminate cutting edge scientific research and analysis both for established experts and young, ambitious surgeons. First conceived in 2009, with the purpose of bringing the surgical world together in a concise, high level, interactive environment, WCAS has become a gathering of global importance.