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国际癌症研究机构（ＩｎｔｅｍａｔｉｏｎａｌＡｇｅｎｃｙ ｏｆ Ｒｅｓｅａｒｃｈ ｏｎ Ｃａｎｃｅｒ， ＩＡＲＣ）负责人Ｐａｒｋｉｎ博士根据全球恶性肿瘤流行的特点，将全球分为２３个区域，并给予固定编号。采用新区域统计发病率和死亡率，更有利于研究恶性肿瘤
Dr. Parkin, head of the International Agency for Research on Cancer (IARC), divides the world into 23 regions based on the global epidemic of malignancies and gives them a fixed number. The use of new regional statistics of morbidity and mortality, more conducive to the study of malignant tumors