Cancer is a general word for a group of diseases characterised by the growth and invasion of healthy cells in the body by malignant cells. Breast cancer begins as a cluster of cancer cells in the breast’s cells, which can subsequently infiltrate surrounding tissues or migrate to other parts of the body (metastasize).
Cancer starts in the cells, which are the fundamental components of tissue. The breast and other areas of the body contain tissue. When the cell growth process goes awry, new cells form when the body doesn’t require them, and old or damaged cells do not die as they should. When this happens, a mass of tissue known as a lump, growth, or tumour emerges as a result of the buildup of cells.
In 2021, women in the United States will be diagnosed with 281,550 new instances of invasive breast cancer and 49,290 new cases of non-invasive (in situ) breast cancer.
Breast cancer is discovered in 63 percent of cases in a localised stage (no evidence of cancer spreading outside of the breast), with a 99 percent 5-year survival rate. Breast cancer will kill an estimated 43,600 women in the United States this year.
Men can get breast cancer as well, albeit it is uncommon. This year in the United States, an estimated 2,650 men will be diagnosed with breast cancer, with roughly 530 dying. In the United States, one in every eight women will be diagnosed with breast cancer over her lifetime. Except for skin cancers, breast cancer is the most frequent cancer among American women. Breast cancer is expected to account for almost 30% of all new cancer diagnoses in women by 2021. In the United States, there are approximately 3.8 million breast cancer survivors. In the United States, a woman is diagnosed with breast cancer every two minutes on average.
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