青菜、菠菜等绿叶菜反复回锅,每重复炒一次,其中的致癌物质就增加数十倍,极易致癌……今天上午,“中日早期胃癌国际研讨会”在沪举行。瑞金医院消化内科主任吴云林教授透露,中国是胃癌发病率和死亡率最高的国家,半数早期胃癌患者无任何症状,诊断率低于5%。“在19世纪30至60年代 Green leafy vegetables such as greens and spinach are often cooked twice. Once repeated, the amount of carcinogens increases by several dozen times and is highly likely to cause cancer. This morning, the “International Symposium on Early Gastric Cancer in China and Japan” was held in Shanghai. According to Professor Wu Yunlin, director of the Department of Gastroenterology at Ruijin Hospital, China is the country with the highest incidence and mortality of gastric cancer. Half of early gastric cancer patients have no symptoms and the diagnostic rate is less than 5%. "In the 1930s to the 60s