Department of Gastroenterology;
Peking Union Medical College Hospital;
Peking Union Medical College and Chinese Academy of Medical Sciences;
Beijing 100730;
China;
Department of Pathology;
Peking Union Medical College Hospital;
Peking Union Medical College and Chinese Academy of Medical Sciences;
Beijing 100730;
China;
Department of General Surgery;
Peking Union Medical College Hospital;
Peking Union Medical College and Chinese Academy of Medical Sciences;
Beijing 100730;
China;
Autoimmune enteropathy; Primary biliary cholangitis; Ulcerative colitis; Proctocolectomy; Bacterial translocation; Case report;