In general, borderline tumors have a better prognosis and a younger age incidence than carcinomas.

一般交界瘤的预后比癌好，发病年龄较轻。

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The incidence of breast cancer increases with age.

乳腺癌的发病率随着年龄的增长而上升。

《柯林斯英汉双解大词典》

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Cancer incidence in children under age ten living near New York and New Jersey nuclear plants increased 4-5 years after increases in average Strontium-90 in baby teeth, and declined 4-5 years after Sr-90 averages dropped.

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In the boom years between 1990 and 1996, the incidence of underweight children below the age of five halved to about 8%.

CNN: CHILDREN OF THE CRISIS

To try to understand why, a team of researchers from the University of Aberdeen established a cohort of approximately 2, 000 women and measured the impact of diet on the incidence of asthma in children up to the age of five.

BBC: 'Super soup' test in asthma trial