A forethought about obscure gastrointestinal bleeding: an unusual ileal mass

Affiliations

• ¹ Department of Digestive Diseases, Huashan Hospital, Fudan University, Shanghai, China.
• ² Huashan Rare Disease Center, Huashan Hospital, Fudan University, Shanghai, China.
• ³ Department of Pathology, Huashan Hospital, Fudan University, Shanghai, China.
• ⁴ Department of Digestive Diseases, Shanghai Guanghua Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China.