both breasts or chemoprevention strategies. Most people will not experience any symptoms when the cancer is still early hence the importance of early detection. Breast cancer can have...
The breasts are two prominences located on the upper ventral region of the torso among humans and other primates. Both sexes develop breasts from the same embryological tissues. The relative size and development of the breasts is a major secondary sex distinction between females and males....
On This Page ; What is the average American woman’s risk of developing breast cancer during her lifetime? ; What is the average American woman’s risk of being diagnosed with breast cancer at different ages? ; How has the risk of being diagnosed with breast cancer changed in recent years?
How common is triple-negative breast cancer? ; Triple-negative breast cancer accounts for about 10-15% of all breast cancers. These cancers tend to be more common in women younger than age 40, who are Black, or who have a BRCA1 mutation. Triple-negative breast cancer can have the same signs and symptoms as other common types of breast cancer. Once a breast cancer diagnosis has been made using imaging tests and a biopsy, the cancer cells will be checked for certain proteins. If the cells do not h...
Breast cancer is a cancer that develops from breast tissue. Signs of breast cancer may include a lump in the breast, a change in breast shape, dimpling of the skin, milk rejection, fluid coming from the nipple, a newly inverted nipple, or a red or scaly patch of skin. In those with distant...
What is a breast cancer’s grade? ; When cancer cells are removed from your breast, they are checked in the lab and given a grade. This grade is based on how much the cancer cells look like normal cells. It is used to help predict your outcome (prognosis) and to help figure out what treatments might work best. A low grade number (grade 1) usually means the cancer is slower-growing and less likely to spread. A high grade number (grade 3) means a faster-growing cancer that’s more likely to spre...
Breast cancer is a type of cancer that starts in the breast. It can start in one or both breasts. Cancer starts when cells begin to grow out of control. (To learn more about how cancers...
Fibrosis ; Fibrosis refers to an area of fibrous tissue, the same tissue that ligaments and scar tissue are made of. Areas of fibrosis can feel rubbery or firm to the touch. Cysts are fluid-filled, round or oval sacs within the breasts. They are often felt as a round, movable lump (or lumps), which might be tender to the touch. They are most common in women in their 30s or 40s, but they can occur in women of any age. Monthly hormone changes often cause cysts to get bigger and become painful and ...
About Breast Cancer · Breast Cancer Risk and Prevention ; Breast Cancer Early Detection and Diagnosis · Understanding a Breast Cancer Diagnosis ; Breast Reconstruction Surgery · Treating Breast Cancer
What is Paget disease of the breast? ; Paget disease of the breast (also known as Paget disease of the nipple and mammary Paget disease) is a rare type of cancer involving the skin of the nipple and, usually, the darker circle of skin around it, which is called the areola. Most people with Paget disease of the breast also have one or more tumors inside the same breast. These breast tumors are either ductal carcinoma in situ or invasive breast cancer (1–3). Paget disease of the breast is named ...