1 前言80年代以来,癌症上升成为日本人死因的第一位。其中胃癌的发病率自50年代起逐渐增加,成为日本人的“国民病”。为此,对广大国民进行了胃癌的启蒙教育,定期进行普查,并改变某些促进胃癌发生的饮食习惯。进入80年代以后,其发病率已呈下降的趋势。我们在日常的医疗工作中,接触并治疗了许多胃 1 Introduction Since the 1980s, cancer has risen to become the number one cause of death in Japan. The incidence of gastric cancer has gradually increased since the 1950s, becoming a Japanese national “national disease.” To this end, the general population was educated in the initiation of gastric cancer, and regular surveys were carried out to change certain dietary habits that promote the development of gastric cancer. After entering the 1980s, the incidence has declined. We have contacted and treated many stomachs in our daily medical work.