Chao-Chuan Wua, b, Bor-Gang Wua, b, Cheng-Yi Chanb, c, Yao-Jen Changa, b
a Division of General Surgery, Department of Surgery, Buddhist Tzu Chi General Hospital, Taipei Branch, New Taipei City, Taiwan
b School of Medicine, Tzu Chi University, Hualien, Taiwan
c Department of Diagnostic Imaging, Buddhist Tzu Chi General Hospital, Taipei Branch, New Taipei City, Taiwan