Summary of anatomy and physiology of perigastric lymphatic system -- The current status and development of laparoscopic lymph node dissection for gastric cancer -- Preoperative notes of laparoscopic lymph node dissection for gastric cancer -- Laparoscopic infrapyloric area lymph node dissection for gastric cancer -- Laparoscopic suprapancreatic area lymph node dissection for gastric cancer -- Laparoscopic splenic hilar area lymph node dissection for gastric cancer -- Laparoscopic cardiac area lymph node dissection for gastric cancer -- Reconstruction of the digestive tract after laparoscopic gastrectomy for gastric cancer -- Prevention and treatment of complications associated with laparoscopic surgery for gastric cancer.