Fig. 1

Presentation of abdominal CT scan and colonoscopy. Abdominal CT scan showed severe fatty liver, pelvic cavity effusion (a), thickened and swollen small intestinal wall and thickened mesentery, accompanied by multiple enlarged intra-abdominal lymph nodes (a, b). Gastrointestinal endoscopy found multiple small shallow ulcers scattered in the cecum (c), ascending colon (d), transverse colon (e), and descending colon (f), partly accompanied by white exudates and active bleeding