1Chinese expert consensus on Three-dimensional visual assessment and virtual reality study of centrally located hepatocellular carcinoma(2020 edition)Digital Medicine Branch of Chinese Medical Association, Digital Intelligent Surgery Professional Committee,Chinese Research Hospital Association, Chinese Sociaty of Liver Cancer,Chinese Medical Doctor Association361-3682Chinese expert consensus on surgical treatment of locally advanced thyroid cancer (2020 edition)Chinese Thyroid Association,Chinese Collage of Surgeons, Chinese Medical Doctor Association, Thyroid Surgery Group of Chinese Research Hospital Association Thyroid Disease Committee, Expert Committee on Thyroid and Parathyroid Gland of General Surgery Committee of Chinese Association of Integrative Medicine369-3763Chinese expert consensus on prevention and treatment catheter related venous thrombosis (2020 edition)Chinese Chapter of the International of Angiology, Peripheral Vascular Disease Chapter,Chinese Geriatrics Society377-3834Emphasis on the assessment of quality control of bariatric and metabolic surgeryLIU Jin-gang, HU Jing-yao384-3865Prevention and treatment of venous thromboembolism during the perioperative period in bariatric surgeryZHANG Pin387-3896Clinical application and standardization of enhanced recovery after bariatric surgeryGU Yan, YANG Jianjun, SONG Zhi-cheng389-3927Controversies and consideration on metabolic surgery for type 2 diabetes with low body mass indexZHU Liyong, JI Guang-nian, ZHU Shai-hong392-3958Indication and choice of bariatric surgical procedures of bariatric surgery for adolescent obesityLIANG Hui395-3999Selection and evaluation of revisional surgery after laparoscopic sleeve gastrectomyJIANG Shu-wen, DONG Zhi-yong, CHEN Wen-hui400-40210Evaluation of the clinical application of derived procedures based on laparoscopic sleeve gastrectomyWANG Yong, SHEN Ming-yang402-40511Diagnosis and treatment of early phase hemorrhage after laparoscopic sleeve gastrectomyJIANG Zi-jian, YANG Yan-ling, DING Rui405-40712Worldwide trend and hot clinical research topics in metabolic and bariatric surgeryZHANG Peng, ZHANG Zhong-tao408-41213North China bariatric & metabolic surgery clinical database registry report (2019)LI Meng-yi, LIU Yang, ZHAO Xiang-wen418-42514Clinical outcome of one anastomosis gastric bypass in the treatment of morbid obesity: An analysis of 56 casesLIU Yang, LI Meng-yi, ZHANG Meng426-428,43215Preliminary study about feasibility and safety of ambulatory laparoscopic sleeve gastrectomyYANG Jianjun, SONG Zhi-cheng, YANG Dong-chao429-43216Effect analysis of laparoscopic single-anastomosis duodenal-jejunal bypass with sleeve gastrectomy on the treatment of obesity and obesity-related metabolic diseasesJIANG Tao433-43617Clinical study of laparoscopic fundoplication with sleeve gastrectomy for obesity combined with gastroesophageal reflux diseasePierdiwasi · Maimaitiyusupu, Aikebaier· Aili, Maimaiti· Yisireyili437-440,44318The clinical appropriateness assessment of pituitary magnetic resonance examination in patients with bariatric surgeryLV Han, LIU Yang, SUN Jing441-44319Effect of postoperative transcatheter arterial chemoembolization after liver resection of multiple hepatocellular carcinomas based on NDR scoring systemXIE Zhi-hao, ZHANG Xiao-feng, BAI Shi-lei444-45020Risk factors of Grade B/C bile leakage after hepatobiliary resection for perihilar cholangiocarcinoma based on ISGLS definitionCHEN Xiao-yuan, MAO Liang, SUN Shi-quan451-456 