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On this page you will find educational information about Breast Cancer, a disease in which malignant (cancerous) cells grow and multiply in the breast tissues.
Cancer is caused by malignant (cancerous) cells that grow and multiply without control. Cancer that begins in any part of the breast is called breast cancer.
In breast cancer, the malignant cells can develop in the lobules or glands that make breast milk; this is known as lobular carcinoma. Or, the cancer cells can start in the ducts or tubes that carry the milk to the nipple; this is known as ductal carcinoma.
According to American Cancer Society estimates for 2014:
Breast cancer types include:
The National Cancer Institute has more information on these breast cancer types
Learn about breast cancer in men
Signs of breast cancer may be similar to symptoms associated with other medical conditions. Please consult your doctor if you notice any of the following:
Screening for cancer means testing for something abnormal before it makes you sick. This allows cancer to be found earlier. The earlier a cancer is found, the smaller—and more treatable—it is likely to be.
The two most common ways to screen for breast cancer are:
Diagnostic tests and procedures for breast cancer include:
Following a diagnosis of breast cancer, further tests are done to determine the location or density of cancer cells. This process, known as staging, helps your doctor choose the best treatment for you.
Stages of breast cancer range from Stage I (early-stage cancer) to Stage IV (cancer is advanced and has spread to other parts of the body, or metastatic breast cancer). Tests and procedures include:
Your care team will work with you to develop a treatment plan. This individualized plan will depend on many factors, such as the type and stage of breast cancer, your general health, and your treatment preferences.
Treatment may involve one or more of these options:
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