1The birth and development of the scientific discipline of endoscopic minimally invasive weight loss in ChinaWEI Yong-qiu, LI Peng, ZHANG Shu-tianCOMMENTARY265-267,2722Progress and future trend of intragastric balloon technologyLIU Jing-li, ZHANG PengSYMPOSIUM·ENDOSCOPIC MINIMALLY INVASIVE WEIGHT LOSS268-2723Duodenal mucosal resurfacing:a new perspective on gut function optimization and the regulation of glucose and lipid metabolismZHOU Bo-jun, WANG Si-qi, LI Zheng-qi, ZHOU Biao, MENG HuaSYMPOSIUM·ENDOSCOPIC MINIMALLY INVASIVE WEIGHT LOSS273-278,2884Clinical application of duodenal-jejunal bypass linerZHOU Yan-hua, WEI Yong-qiu, LI PengSYMPOSIUM·ENDOSCOPIC MINIMALLY INVASIVE WEIGHT LOSS279-2835Clinical application of magnetic compression anastomosis technology and its application prospect in the field of minimally invasive weight lossYU Xin-ying, YAN Wen-mao, LYU Dong, XU You-qing, BAI Ri-xingSYMPOSIUM·ENDOSCOPIC MINIMALLY INVASIVE WEIGHT LOSS284-2886Clinical efficacy and safety of gastric bypass stents for weight loss in obesityYU Jia-hui, LIU Yan-junORIGINAL CONTRIBUTION289-2937A retrospective study on the safety of therapy in elderly patients with diffuse large B-cell lymphomaCHENG Shi-jia, MA Hong-xia, LIU Yan-yanORIGINAL CONTRIBUTION294-2998Effect of SCARI1 in progression of JAK2V617F mutant myeloproliferative neoplasmsHU Xin, WEI Xiao-jing, ZHANG Yu-hui, MA Jin-yu, DUAN Yi-fan, SHANG Ke, TENG Guang-shuai, WANG Yan, DU Chen-xiao, ZHANG Hui-qin, YUAN Wei-ping, SHAO Zong-hong, BAI JieORIGINAL CONTRIBUTION300-3079Investigation on the status of diagnosis and treatment of chemotherapy-induced anemiaLUO Xu, ZHANG Yue, SHU Di-tian, RONG Qi-xiang, TIAN Ying-xia, SHI Yan-xiaORIGINAL CONTRIBUTION308-31410Clinical characteristics and prognostic analysis of spontaneous peritonitis in liver cirrhosis infected with Gram negative and Gram positive bacteriaYANG Jia-li, BAI Xue, HE Fang, ZHANG Li-na, MIAO Yu, YANG Shao-qiORIGINAL CONTRIBUTION315-320,33511Comparison of the value of clinical risk scores in recognition of nonvalvular atrial fibrillationLI Xin-yue, CHEN Yun-lin, LI Yu-fu, YI Xin, TANG Zheng, LEI Zhou, YIN Yue-huiORIGINAL CONTRIBUTION321-326 