Digestive Disease Week-Japan (DDW-Japan) was held successfully in Yokohama April 15-18, 1998, under the management of Prof. Yoshiki Hiki, Chairman of the Steering Committee. DDW-Japan was carried out with the cooperation and participa tion of gastroenterological societies in Japan. Because the participat ing congresses each dealt with topics characteristic of particular fields, all participants could enjoy a rewarding experience and could gather relevant, up-to-date information about a wide variety of subjects in basic and clinical medicine. Prof. Rikiya Fujita, Chairman of the International...