1Discussion on some concerned foci in the comprehensive diagnosis and treatment of gastrointestinal stromal tumorsCAO Hui, WANG Ming485-4932Application of preoperative target therapy and the timing of surgery for gastrointestinal stromal tumorLI Zi-yu, LI Shuang-xi, JI Jia-fu494-4973Role of surgery in the treatment of advanced and recurrent gastrointestinal stromal tumorsSHEN Kun-tang, GAO Xiao-dong498-5014Application value and controversy of laparoscopic surgery in gastric GISTXU Ze-kuan, XU Hao, LI Feng-yuan501-5045Treatment controversy and strategies of gastric and rectal small gastrointestinal stromal tumorDAI Dong-qiu, ZHANG Cheng, ZHANG Chun-dong504-5086Multimodality management of rectal gastrointestinal stromal tumorsYE Ying-jiang, GAO Zhi-dong508-5117Choices and evaluation of digestive tract reconstruction for patients with gastrointestinal stromal tumor of esophagogastric junctionLIANG Han512-5148Updates and interpretations of the NCCN Clinical Practice Guidelines (2018 first version) on gastrointestinal stromal tumorZHAO Gang, WANG Ming515-5199Excerpt of Japanese Classification of Gastric Carcinoma (the 15th edition)HU Xiang, ZHANG Chi520-52810Development and trends in Japanese gastric surgery:experiences from Japanese Gastric Cancer Treatment Guidelines (ver.5)HAN Fang-hai, YANG Bin529-53411Surgical treatment of duodenal gastrointestinal stromal tumors: A clinical analysis of multiple centers535-54012Clinical pathological features and prognosis analysis of 27 patients for gastrointestinal stromal tumor of pelvic floor541-54513Analysis of the effectiveness of imatinib preoperative adjuvant therapy in 23 patients with locally advanced gastrointestinal stromal tumor546-55014Clinical significance of changes in CT signs after imatinib treatment for unresectable or metastatic gastrointestinal stromal tumors551-55415Effective of anatomic hepatectomy on prognosis of hepatocellular carcinoma with microvascular invasion555-55916Uncinate process resection via anterior "vein-first" combined with right posterior "artery-first" approach in laparoscopic pancreaticoduodenectomy: An analysis of 35 cases560-56317Pancreatic undifferentiated carcinoma with osteoclast-like giant cells: An analysis of 5 cases and literature review564-568,574 