Prof. Sang Chul Lee is a Professor in Department of Surgery at Catholic University of Korea, South Korea. He is Head of the Division of Colorectal Surgery, Chief of Minimally Invasive & Laparoscopic Surgery Center/Hernia center. He is an ultimate laparoscopic surgeon. Especially in the field of single port laparoscopic surgery (SPLS) and minimally invasive surgery. He has performed SPLS since the end of 2008. He has experienced over 3,000 cases in various disease entities, from appendectomy to total proctocolectomy and donor nephrectomy for kidney transplantation also. There is no specific limitation or indication in SPLS and he has performed somewhat unique and aggressive trial from March, 2009. It is the totally shifting to SPLS, there is no option for conventional laparoscopy in the condition of need for laparoscopic surgery. So there are only two options (open or SPLS) for surgical treatment modalities. Ultimatum for minimally invasiveness reaches to 5 mm incision only appendectomy and 1.5 cm incision only anterior resection for sigmoid colon cancer. Nowadays he is performing an absolutely and completely scar-less surgeries for rectal cancer by using of transanal reverse TME (= transanal laparoscopic pelvic &peritoneal surgery (TALPPS)). He has been also achieving innovative trial of totally solo surgeon operation (= single port solo surgery (SPSS)) for colorectal surgery in last several years. He is also interested in NOTES and Single-port Robotic surgery.