![]() Nearly 25 percent of breast cancer cases are linked to family history. In 2016, approximately 99.3 percent of breast cancer cases occurred in women over age 40, and 71.2 precent occurred in women over age 60. Your chances of developing breast cancer also increase with age. People assigned female sex at birth have a much higher chance of developing breast cancer than males. However, a number of risk factors have been identified. Researchers still don’t fully understand why breast cancer develops in some people but not others. What are the known risk factors for breast cancer? ![]() It also has the potential to spread to distant parts of your body if not treated early. It occurs when cancer begins in the glands that produce milk and spread to nearby tissue. Invasive lobular carcinoma tends to be harder to detect than invasive ductal carcinoma. About 1 in 5 women have it in both breasts. Invasive lobular carcinoma makes up about 10 percent of breast cancers. If not caught early, it can potentially spread to other parts of your body through the lymphatic system. It occurs when cancer cells spread from your milk ducts into the surrounding breast tissue. Invasive ductal carcinoma is the most common type of breast cancer and makes up about 50 to 70 percent of breast cancers. Invasive breast cancer occurs when cancer cells spread from the ducts and glands into your breast’s fat or connective tissue. It’s important to note that lobular carcinoma in situ often doesn’t show up on mammograms. It’s considered a benign condition, but it increases your risk of some types of breast cancer later on. Lobular carcinoma in situ is an uncommon condition characterized by abnormal cells in the glands that produce milk. It makes up about 1 in 5 cases of breast cancer in the United States.Ībout 20 to 53 percent of women with ductal carcinoma in situ develop invasive breast cancer. Ductal carcinoma in situĭuctal carcinoma in situ is when cancer is limited to the ducts of your breasts. Within this class, there are a few different types. In situ breast cancerīreast cancer is classified as in situ when it’s contained to the milk ducts or glands and hasn’t spread to other breast tissue. Although much more common in women, men can also be diagnosed with breast cancer.Ĭontinue routine screenings every year, and continue self-examinations.There are many types of breast cancer.Women over 60 are more likely to be diagnosed with breast cancer. ![]() Talk to your doctor about your medical history, including any medications taken in the past. Use of diethylstilbestrol, a drug commonly used in 1940 to 1971 to prevent miscarriage, may slightly increase the risk of breast cancer.Ĭontinue your yearly mammogram screenings and self-exams.Women who started menstruation early (before the age of 12) or experience menopause late (after age 55) have a slightly higher risk of breast cancer. ![]() Age 50 Risk Factorsįactors that may put women at a higher risk for developing breast cancer include:Ĭontinue your yearly mammogram screenings and self-exams.
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