History of Gastric Carcinoma Research -- History of Gastric Carcinoma Research in Japan: Basic Aspects -- Historical Review of Research and Treatment of Gastric Cancer in Japan: Clinical Aspect -- Recent Advances in Molecular Carcinogenesis in Gastric Carcinoma -- Recent Advances in Molecular Pathobiology of Gastric Carcinoma -- Pathogenesis and Pathology -- Helicobacter pylori and Gastric Carc…