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. 2018 Nov 16;9:2583. doi: 10.3389/fimmu.2018.02583

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Copyright © 2018 Wang, Li, Meng, Duan, Wang, Chen, Tang and Li.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Preoperative colonoscopy manifestation: an ulceration with clear rim and base revealed in ileum terminal (A). Preoperative colonoscopy revealed multiple and discrete ulcers as visible in different segment of Colon (B–E) and Rectum (F).