Adeodatus Yuda Handaya * Corresponding Author Trainee in Digestive Surgery, Faculty
of Medicine/Dr. Sardjito General Hospital, Universitas Gadjah Mada Yogyakarta, Indonesia
Indrasto Histopaedianto Digestive Surgery Division, Department of Surgery, Faculty
of Medicine/Dr. Sardjito General Hospital, Universitas Gadjah Mada Yogyakarta, Indonesia
Hendro Wartatmo Digestive Surgery Division, Department of Surgery, Faculty
of Medicine/Dr. Sardjito General Hospital, Universitas Gadjah Mada Yogyakarta, Indonesia