Section 1 Background.- 1 Epidemiology and machanism of gastric carcinogenesis.- 2 Histiogenesis and precursors of human gastric cancer.- 3 N-nitroso compounds, gastric carcinogenesis and chemoprevention.- 4 Analytical problems in the determination of N-nitroso compounds in gastric juice.- 5 Early detection of patients at high risk of developing gastric cancer.- 6 Prospects for early detection of gastric cancer and precancerous lesions.- Section 2 New Trends in Diagnosis.- 7 New trends in electronic videoendoscopy of the digestive tract.- 8 Endosonography: its diagnostic utilities for gastric cancer.- 9 Flow cytometry in gastric cancer.- Section 3 Surgical Treatment of Gastric Cancer.- 10 Intraoperative staging in gastric cancer surgery.- 11 New technologies in gastric cancer surgery: Computer system to make operation plan and intraoperative staining of regional lymph nodes for complete dissection.- 12 The general rule of the Japanese Research Society for Gastric Cancer and treatment results by the rule.- 13 A European multicentre retrospective study in cancer of stomach.- 14 Surgical treatment of gastric cancer: our elective procedures for desirable curability.- 15 “Regional” gastrectomy.- 16 Total gastrectomy in the surgical treatment of gastric cancer.- 17 The role of extensive surgery in advanced gastric cancer.- 18 The importance of extended lymphadenectomy in gastric cancer surgery.- 19 Duodenopancreatectomy for gastric cancer.- 20 Reconstruction after total gastectomy.