Elliyanti, A., Department of Medical Physics, Faculty of Medicine, Universitas Andalas, Padang, Indonesia, Division of Nuclear Medicine, Department of Radiology, Dr. M.Djamil Hospital, Padang, Indonesia; Rustam, R., Department of Surgery, Faculty of Medicine, Universitas Andalas, Padang, Indonesia; Tofrizal, T., Department of Pathology Anatomy, Faculty of Medicine, Universitas Andalas, Padang, Indonesia; Yenita, Y., Department of Pathology Anatomy, Faculty of Medicine, Universitas Andalas, Padang, Indonesia; Susanto, Y.D.B., Department of Pathology Anatomy, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia