Study: Genes primary factor for younger women, tumors

Researchers hope the discovery will lead to better ways to treat breast cancer patients 45 and younger. From 2001-2005, the median age at diagnosis for breast cancer was 61. 1.9 percent were diagnosed between ages 20 and 34. 10.6 percent between 35 and 44. 22.4 percent between 45 and 54. 23.3 percent between 55 and 64. 19.8 percent between 65 and 74. 16.5 percent between 75 and 84. 5.5 percent 85 and older. SOURCE: National Cancer Institute DURHAM -- A Duke University study has enhanced understanding of why breast cancer treatment works better for older women than it does for younger ones. Researchers hope that the discovery could help scientists develop better ways to treat young breast cancer patients, defined as age 45 or younger. Genetic factors, the comprehensive study found, are the primary contributors to young women's... [read full story]