Sz-Iuan Shiu1, Bor-Jen Lee1, Hung-Chieh Chen2, Yu-Hui Lin3, Chen-Yu Wang1. 1. Intensive Care Unit, Department of Internal Medicine, Taichung Veterans General Hospital, Taichung, Taiwan. 2. Department of Radiology, Taichung Veterans General Hospital, Taichung, Taiwan. 3. Division of Infectious Diseases, Department of Internal Medicine, Taichung Veterans General Hospital, Taichung, Taiwan.