1Evolution and development of hepatolithiasis treatmentHUANG Zhi-qiang468-4702The new era of precision medicine:what should surgeons do?GU Jin471-4723Management evolution of acute abdomen in the era of minimally invasive surgerySUN Yi-hong473-4754Reasonable application of laparoscopic surgery for acute abdomenZHENG Min-hua, MA Jun-jun476-4795Application of laparoscopic technology in acute liver traumaLIU Lian-xin, SUN Jing480-4826Reasonable options and controversies of laparoscopic treatment for acute cholecystitisXU Jun, DONG Jie-jie482-4867Reasonable options and controversies of laparoscopic treatment for acute cholangitisZHAO Hai-ying, LIU Jin-gang486-4908Value of laparoscopic surgery in the diagnosis and treatment of gastrointestinal perforationHU San-yuan490-4939Strategies and main points of laparoscopic operation for severe acute pancreatitisLIU Rong, ZHANG Xuan493-49510Application strategies and technical difficulties of laparoscopic surgery in patients with intestinal obstructionDU Yan-fu, QU Hao496-49911Indications and surgical techniques of laparoscopic appendectomy for acute appendicitisXU Da-hua, LIU Dong-bin499-50212Controversies and challenges of laparoscopic surgery for incarcerated inguinal herniaZHANG Chen-bo, LI Jian-wen502-50513Problems during the diagnosis and treatment of elderly acute abdomen with laparoscopic techniquesZHANG Huan, SHI Ji-rong505-50914Clinical application and evaluation of laparoscopic techniques in postoperative complications after abdominal surgeryHU Jian-kun, CHEN Xin-zu509-51115Updates of NCCN clinical practice guidelines for gastric cancerXU Ze-kuan512-514,51816The interpretation of American Gastroenterological Association Institute Guideline on the diagnosis and management of asymptomatic neoplastic pancreatic cysts (Version 2015)SUN Bei, JI Liang515-51817Robotic-assisted repair of esophageal hiatal hernia combined with fundoplication:A report of two cases519-52118Analysis of risk factors of infected pancreatic necrosis in the later stage of acute pancreatitis:A report of 153 patients522-52419Hepatic dysplastic nodules:A management and prognostic analysis of 20 cases525-52720Risk factors of complications severity after hepatectomy for primary liver cancer：A report of 84 patients528-530 