Breast cancer happens when cells in the breast begin to grow out of control and can then invade nearby tissues or spread throughout the body. Large collections of this out of control tissue are called tumors. However, some tumors are not really cancer because they cannot spread or threaten someone's life. These are called benign tumors. The tumors that can spread throughout the body or invade nearby tissues are considered cancer and are called malignant tumors. Theoretically, any of the types of tissue in the breast can form a cancer, but usually it comes from either the ducts or the glands. Because it may take months to years for a tumor to get large enough to feel in the breast, we screen for tumors with mammograms, which can sometimes see disease before we can feel it.
Breast Cancer Womens In America.
by Abiy February 8, 2006
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(n.) In the 10-cup, "Beirut" variation of Beer Pong, the Breast Cancer is a re-rack called at 5 cups in which the 6-cup rack of Tits is formed, but without one of the tips of one of the triangles. Terrible in name, given the implication of a mastectomy.
I'm feeling particularly depraved, Kyle... Let's get Breast Cancer
by TheLoudestFan April 22, 2009
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a type of hardcore music where band members wear pink.
did you see that new breast cancer core band? they can really pull off they're pink clothes.
by jessejames July 6, 2012
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when you grab a random friend's boob for the first time
I just got my breast cancer badge from Jackie today!
by H@nn@ October 14, 2011
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TNBC refers to any breast cancer that does not express the genes for the 3 most common breast cancers, namely, Estero gen receptor (ER), progesterone receptor (PR) and HER2/neu. TNBC is more difficult to treat because most hormone therapies target one of the 3 receptors.

Triple-negative here hs a medical meaning. Triple-negative here does not mean an added negative to a double-negative.
Triple-negative breast cancer has a relapse pattern that is different from hormone-positive breast cancers.
by Waterbear March 5, 2019
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