On December 18th, 2018, Prof. Thawatchai Akaraviputh, Deputy Dean for International Relations, along with Assoc.Prof. Chanean Ruansetakit, Chairman of Department of Surgery, Dr. Vitoon Chinswangwatanakul, Chairman of Siriraj Cancer Center, and Assoc. Prof. Asada Methasate, Head of Minimal Invasive Surgery Division, welcomed Clinical Assoc. Prof. Lars Tue Sorensen from University of Copenhagen, Denmark, to visit Faculty of Medicine Siriraj Hospital and have a discussion on the potential collaboration multicenter RCT-protocol and surgeon exchange program between UoC and Siriraj.