From 1977 to 1999,12 386 women undertaken brest screening. The benign tumors were found in 10 552, the detectable rate was 85 19%; breast cancers were diagnosed in 3, and the detectable rate was 24 2 per lakh.
1997~1999年乳腺普查12386人,良性肿瘤发病10552人,检出率8519%,乳腺癌3例,检出率242/10万。
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