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Breast cancer is a cancer that develops from breast tissue. [ 7] 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. [ 1] In those with distant spread of the disease, there may be bone pain ...
20-22. >22. Worldwide, breast cancer is the most common invasive cancer in women. [note 1] Breast cancer comprises 22.9% of invasive cancers in women [2] and 16% of all female cancers. [3] In 2008, breast cancer caused 458,503 deaths worldwide, which is 13.7% of cancer deaths in women and 6.0% of all cancer deaths for men and women together. [2]
The term environmental, as used by cancer researchers, means any risk factor that is not genetically inherited. For breast cancer, the list of environmental risk factors includes the individual person's development, exposure to microbes, "medical interventions, dietary exposures to nutrients, energy and toxicants, ionizing radiation, and ...
A breast tumor is an abnormal mass of tissue in the breast as a result of neoplasia. A breast neoplasm may be benign, as in fibroadenoma, or it may be malignant, in which case it is termed breast cancer. Either case commonly presents as a breast lump. Approximately 7% of breast lumps are fibroadenomas and 10% are breast cancer, the rest being ...
Breast cancer classification divides breast cancer into categories according to different schemes criteria and serving a different purpose. The major categories are the histopathological type, the grade of the tumor, the stage of the tumor, and the expression of proteins and genes. As knowledge of cancer cell biology develops these ...
Triple-negative breast cancer comprises 15–20% of all breast cancer cases [3] and affects more young women or women with a mutation in the BRCA1 gene than other breast cancers. [4] Triple-negative breast cancers comprise a very heterogeneous group of cancers. TNBC is the most challenging breast cancer type to treat. [5]
On average, the rates of 17 types of cancer, including pancreatic, breast and gastric cancer, have risen with each new generation since 1920, the study found. ... “None of these things are easy ...
BRCA-related breast cancer appears at an earlier age than sporadic breast cancer. [9]: 89–111 It has been asserted that BRCA-related breast cancer is more aggressive than normal breast cancer, however most studies in specific populations suggest little or no difference in survival rates despite seemingly worse prognostic factors. [11] [12] [13]
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