Seokyoun Lee1, Junhee Lee2, Nurhee Hong3. 1. Department of Surgery, Wonkwang University Sanbon Hospital, Wonkwang University School of Medicine, Gunpo, Korea. 2. Department of Emergency Medicine, Wonkwang University Sanbon Hospital, Wonkwang University School of Medicine, Gunpo, Korea. 3. Department of Radiology, Wonkwang University Sanbon Hospital, Wonkwang University School of Medicine, Gunpo, Korea.