Taking a Look at Breast Cancer

1760 Words Feb 22nd, 2018 7 Pages
According to the Cancer Facts and Figures 2014 by the American Cancer Society, an estimated number of 232,670 women in the United States will be diagnosed with breast cancer, and about 2,360 new cases are expected in men. Breast cancer will possibly cause death to more than 40,000 female patients and 400 male patients in 2014. Excluding skin cancer, breast cancer is the most common cancer that American women are diagnosed with. Additionally, breast cancer ranks second in the most deadly cancers among women today, just after lung cancer.
Breast cancer is any cancer that starts from the breast tissues. It refers to the formation of malignant tumor in or around the area of the breast, and this tumor can travel to new parts of the body such as bond, central nervous system, or liver.
Based on its histological appearance, breast cancer can be divided into many subtypes, which are infiltrating or invasive ductal carcinoma (the most common type of breast cancer), medullary carcinoma, ductal carcinoma in situ, or tubular carcinoma, etc. Every subtype of breast cancer might target a specific group of patients and response to some unique treatments.
What is Triple-Negative Breast Cancer?
Today, breast cancer can no longer be seen as one disease but rather a group of diseases. Histological appearance is not the only criteria to classify breast cancer. Biologists and doctors nowadays look at the expression of receptors and gene that promote the growth of cancerous cells to define…

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