Yulian E.D., Faculty of Medicine Universitas Indonesia, Surgical Oncology Division, Department of Surgery, Dr. Cipto Mangunkusumo General Hospital, Jalan Pangeran Diponegoro No. 71, Central Jakarta, Kenari, 10430, Indonesia; Panigoro S.S., Faculty of Medicine Universitas Indonesia, Surgical Oncology Division, Department of Surgery, Dr. Cipto Mangunkusumo General Hospital, Jalan Pangeran Diponegoro No. 71, Central Jakarta, Kenari, 10430, Indonesia; Melati P.A., Faculty of Medicine, Universitas Indonesia, Research Assistant in Surgical Oncology Division, Department of Surgery, Dr. Cipto Mangunkusumo General Hospital, Jakarta, Indonesia