Chi-Ming Tai1, I-Wei Chang2, Hsiu-Po Wang3. 1. Department of Internal Medicine Pathology, E-Da Hospital, I-Shou University, Kaohsiung, Taiwan. 2. Department of Pathology, E-Da Hospital, I-Shou University, Kaohsiung, Taiwan. 3. Department of Internal Medicine, National Taiwan University Hospital, National Taiwan University, Taipei, Taiwan.