How common are breast and ovarian cancers?
One in every nine women (about 11% of women) will be diagnosed with breast cancer at some point in her life. Breast cancer is the second most common type of cancer diagnosed among women skin cancer tops the list. An average woman’s risk of ovarian cancer is about 1% to 2% (about one in 70). Ovarian cancer is more difficult to detect than breast cancer and is much harder to treat because it tends to be found after it has spread. In the United States, 10% to 20% of women with breast cancer and 10% to 20% of women with ovarian cancer have a first-degree or second-degree relative with one of these cancers. A mother or sister is a first-degree relative. An aunt or grandmother is a second-degree relative. So far, research on inherited breast and ovarian cancer has focused on two genes BRCA1 and BRCA2. However, these two genes only explain a proportion of all breast and ovarian cancer. For example, changes in the BRCA 1 and BRCA2 genes account for only 2% to 3% of all breast cancers. This mea
Related Questions
- Ovarian Cancers are common with the family history showing the same or even in the women showing histories of major operations or use of contraceptive pills,as per the data which reveals the same Q. Where are the ovaries?
- How often are these cancers hereditary? How can an increased risk for breast and ovarian cancer be inherited?
- How often are breast and ovarian cancers hereditary?
