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由于恶性肿瘤发病和死亡数据在各地区的完整和准确程度不同,全球及各国了解其癌症负担时须运用一定的统计学方法,利用已有的肿瘤登记和其它调查数据进行估计和预测。许多发达国家和地区有较完整的癌症统计数据,自1975年开始国际癌症研究所/国际癌症登记协会(IARC/IACR)对全球癌症发病和死亡进行估计;1989年建立的欧洲肿瘤登记网络(European Network of Cance Registries,ENCR)的任务之一是维护发病死亡数据库(EUROCIM),并从1995年开始对欧洲的癌症发病死亡进行估计3;自1973年美国国立癌症研
Due to the completeness and accuracy of the data on the incidence and death of malignant tumors in different regions, the global and national understanding of their cancer burden requires the use of certain statistical methods and the use of available tumor registration and other survey data for estimation and prediction. More developed countries and regions have more complete cancer statistics and have estimated the incidence and death of cancer worldwide since 1975 by the International Agency for Research on Cancer / IARC (International Society for Cancer Research); the European Cancer Registry Network Network of Cance Registries, one of the tasks of the ENCR) is to maintain the database of morbidity and mortality (EUROCIM) and to estimate the incidence of cancer deaths in Europe since 19953; since the National Cancer Institute