第四届国际鼻咽癌(NPC)会议首先由Shanmugaratnam回顾鼻咽癌研究的历史,提出新加坡操不同方言的中国人具有与中国相应的方言组人群同样的鼻咽癌发病率。这与结肠和胃癌的情况成为鲜明的对比,后者在一代人内,移民(例如日本在夏威夷和美国的移民)的发病率即已改变为当地居民那样了。但 The 4th International Conference on Nasopharyngeal Carcinoma (NPC) first reviewed the history of nasopharyngeal cancer research by Shanmugaratnam, and proposed that Singaporeans who speak different dialects have the same incidence of nasopharyngeal cancer as the corresponding Chinese dialect group. This contrasts sharply with the situation of colon and stomach cancer, where the incidence of immigrants (such as Japanese immigrants in Hawaii and the United States) has changed to that of local residents within a generation. but