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N-COUNT A mammogram is a test that uses x-rays to check whether women have breast cancer. 乳房X光摄影检查
But Prof Evans says: ‘A third of breast cancers are picked up in the three years between mammograms.’
但埃文教授说：“三分之一的乳腺癌都是在三年一次检查间隔期间发现的。”
Also, crucially, it can explain to a radiologist how it reached its decision by showing him similar mammograms in the database.
更为可贵的是，它可以通过指出在数据库中的相似图像，来为放射科医生提供诊断依据。
Mr Barr admits that screening, which was introduced in 1988, could be improved but women should not be put off having mammograms.
乳腺癌筛检始用于1988年，巴尔先生承认该技术可能还要进一步完善，但女性不应拖延进行X射线胸检。
The advice came from experts who are appointed by the government to develop guidelines for preventive services, like mammograms.
VOA: special.2009.11.25
One of the biggest changes is that the task force now advises against mammograms for most women under fifty years old.
VOA: special.2009.11.18
The new guidelines also say women between fifty and seventy-four should not get mammograms every year as currently advised.
VOA: special.2009.11.18
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