Young Man With Abdominal Cramps and Bloody Stools

Affiliations

• ¹ Department of Orthopedics, Kaohsiung Municipal Ta-Tung Hospital, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan.
• ² Department of Emergency Medicine, Taipei City Hospital, Zhongxing Branch, Taipei, Taiwan.
• ³ Division of Hospital Medicine, Department of Internal Medicine, Taipei City Hospital, Zhongxing Branch, Taipei, Taiwan.
• ⁴ Division of Hospital Medicine, Department of Internal Medicine, Taipei City Hospital, Zhongxing Branch, Taipei, Taiwan; Division of Hospital Medicine, Department of Internal Medicine, National Taiwan University Hospital, Taipei, Taiwan.