Department of Internal Medicine;
Inje University Ilsan Paik Hospital;
Koyang 411-706;
South Korea;
Department of Internal Medicine;
University of Ulsan College of Medicine;
Asan Medical Center;
Seoul 138-736;
South Korea;
Asan Institute for Life Science;
Asan Medical Center;
University of Ulsan College of Medicine;
Seoul 138-736;
South Korea;
Natural; orifice; transluminal; endoscopic; surgery; Endoscopy; Pigs; Aanastomosis;