对辽宁省大连、鞍山市城市居民女性乳腺癌发病与死亡资料的流行病学统计分析表明 ,目前辽宁省城市女性乳腺癌世界标化发病率为 2 5 9/ 10万 ,死亡率为 8 8万 / 10万。辽宁省城市女性乳腺癌发病、死亡均呈上升趋势 ,发病率平均每年以 4 1%的速度递增 ,死亡率平均每年增长 3 4%。年龄分布可以看出女性乳腺癌有两个发病高峰 ,第一个发病高峰在 40岁出现 ,第二个发病高峰 10年来提前 5年出现 ,从 6 5～ 6 9岁提至 6 0～ 6 4岁。发病增加最快的年龄组是 35～ 44岁和 5 5～6 4岁 ,平均每年增加幅度分别为 4 4%和 7 6 % ;死亡增加最快的年龄是在 6 5～ 74岁 ,平均每年增加 7 0 % ,而 5 5～ 6 4岁组每年仅增加 0 7%。通过与世界上不同国家和地区的比较 ,可以看出辽宁省在 80年代中期 35～ 74岁女性乳腺癌的世界人口标化发病率 42 1/ 10万为最低 ,从发病增加速度看我省仅次于日本 (7 9% ) ,平均每年增加 4 5 % ;35～ 74岁女性乳腺癌的世界人口标化死亡率为 12 9/ 10万 ,略高于我国全国平均死亡率 (11 4/ 10万 ) ,平均每年增长速度很快 (3 2 % )。 Epidemiological statistical analysis of the data of female breast cancer incidence and death in urban residents of Dalian and Anshan, Liaoning Province shows that the current standardized rate of female breast cancer in urban areas in Liaoning Province is 259/100,000, and the death rate is 0.88 million. / 100,000. The incidence and mortality of female breast cancer in urban areas of Liaoning Province are on the rise. The incidence rate is increasing at an average rate of 41% per year, and the average annual mortality rate is increased by 34%. Age distribution shows that there are two peak incidences of female breast cancer. The first incidence peak occurs at the age of 40, and the second incidence peak occurs 10 years in advance 5 years, and it is raised from 65 to 69 to 60 to 64. year old. The age group with the fastest increase in incidence was 35 to 44 years old and 55 to 64 years old. The average annual increase rate was 44% and 7.6% respectively; the fastest increase in death rate was between 6 to 74 years old, with an average annual rate of increase. Increased by 70%, while the 5 to 6-year-old group only increased by 07% per year. Through comparison with different countries and regions in the world, it can be seen that the standardized population incidence of breast cancer in 35-74-year-old women in the mid-1980s was 42 1/100,000, which is the lowest in our province. After Japan (7 9%), an average annual increase of 45 percent; the world-standardized rate of breast cancer among women aged 35-74 years is 12 9/100,000, slightly higher than the national average mortality rate in China (11 4/10). Million), the average annual growth rate is very fast (32%).