Breast cancer
Breast Cancer
Breast cancer (/ˈbrɛst ˈkænsər/) is a type of cancer that originates from the breast tissue, most commonly from the inner lining of the milk ducts or the lobules that supply the ducts with milk.
Etymology
The term "breast cancer" is derived from the Old English "breost" meaning "breast" and the Latin "cancer" meaning "crab or creeping ulcer."
Definition
Breast cancer is a malignant tumor that has developed from cells in the breast. It is the most common invasive cancer in women, and the second main cause of cancer death in women, after lung cancer.
Symptoms
Symptoms of breast cancer may include a lump in the breast, a change in breast shape, dimpling of the skin, fluid coming from the nipple, a newly inverted nipple, or a red or scaly patch of skin.
Types
There are several types of breast cancer, including ductal carcinoma in situ (DCIS), invasive ductal carcinoma (IDC), lobular carcinoma in situ (LCIS), invasive lobular carcinoma (ILC), and inflammatory breast cancer (IBC).
Diagnosis
Diagnosis of breast cancer is confirmed through a biopsy of the concerning tissue. Once the diagnosis is made, the stage of the cancer is determined to guide the treatment plan.
Treatment
Treatment of breast cancer depends on the stage of the disease and may involve surgery, radiation therapy, chemotherapy, hormone therapy, and targeted therapies.
Prognosis
The prognosis of breast cancer is generally favorable, with a 5-year survival rate of 90% for localized disease. The prognosis worsens if the cancer has spread to other parts of the body.
Prevention
Prevention strategies for breast cancer may include maintaining a healthy weight, regular physical activity, a diet rich in fruits and vegetables, and limiting alcohol consumption.
See Also
External links
- Medical encyclopedia article on Breast cancer
- Wikipedia's article - Breast cancer
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