Those with non-proliferative disease were only slightly at increased risk (1.2 times, or .2 percent higher than normal) and women with proliferative disease without atypia had a risk that was doubled.

• 其中非增生性的妇女患乳腺癌的风险仅轻微增加1.；2倍，至于增生性疾病的妇女的风险也只有2倍。