Presentation Information
[O29-2]Removal of superficial large area duodenal laterally spreading tumors involving the papilla with endoscopic submucosal dissection: it's a huge challenge
*Qi de Zhang1, Ting Zhang1, Gang yong Ding2, Juan li Mao1, Han shu Yu1 (1.Jiangsu province hospital of Chinese Medicine, 2.Affiliated Hospital of Nanjing University of Chinese Medicine)
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