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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.
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]
The rate of death due to breast carcinoma was also influenced by grade, with 90% occurring in 40, 13, and 8 years among patients with grades 1, 2, and 3 tumors, respectively.” [12] [30] Immunohistochemistry of breast cancer (Infiltrating ductal carcinoma of the breast) assayed with anti HER-2 (ErbB2) antibody.
During the 20-year study period, 8.5 percent of women who had lumpectomies died from breast cancer, nine percent of women who had mastectomies died from the disease, and 8.5 percent of women who ...
[155]: 199–200 By 2010 the breast cancer survival rate in Europe was 91% at one years and 65% at five years. In the USA the five-year survival rate for localized breast cancer was 96.8%, while in cases of metastases it was only 20.6%. Because the prognosis for breast cancer was at this stage relatively favorable, compared to the prognosis for ...
The American Cancer Society reports 5-year relative survival rates of over 70% for women with stage 0-III breast cancer with a 5-year relative survival rate close to 100% for women with stage 0 or stage I breast cancer. The 5-year relative survival rate drops to 22% for women with stage IV ( metastatic) breast cancer. [ 3]
Breast cancer survival rates range from 80% or over in North America, Sweden and Japan to around 60% in middle-income countries and below 40% in low-income countries, according to data provided ...
Invasive cribriform carcinoma of the breast ( ICCB ), also termed invasive cribriform carcinoma, is a rare type of breast cancer that accounts for 0.3% to 0.6% of all carcinomas (i.e. cancers that develop from epithelial cells) in the breast. [1] It originates in a lactiferous duct as opposed to the lobules that form the alveoli in the breasts ...