What are the causes of breast cancer

    • [PDF File]Breast Cancer Epidemiology, Risk Factors, Classification ...

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      risk of breast cancer are: older age, BRCA2/BRCA1 mutations, increased estrogen levels, Klinefelter syndrome, family history of breast cancer, and radiation exposure [18]. 3.1.2. Older Age Currently, about 80% of patients with breast cancer are individuals aged >50 while at the same time more than 40% are those more than 65 years old [19–21 ...

    • Breast Tissue Density, Cancer Risk, and Patient Notification

      Dense breast tissue is very common and is not abnormal. However, dense breast tissue may make it harder to find cancer on a mammogram and may also be associated with an increased risk of breast ...

    • [PDF File]Prostate Cancer Causes, Risk Factors, and Prevention

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      What Causes Prostate Cancer?€ Researchers do not know exactly what causes prostate cancer. But they have found some risk factors and are trying to learn just how these factors might cause prostate cells to become cancer cells. On a basic level, prostate cancer is caused by changes in the DNA of a normal prostate cell.

    • [PDF File]Histological and molecular classification of breast cancer ...

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      Breast cancer is the neoplasm most diagnosed malignancy and the leading cause of mortality among women on a global scale. A profound increase in the understanding and clinical management of breast cancer has occurred over the past two decades,

    • [PDF File]Breast Cancer: Why the Environment Matters

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      What Causes Breast Cancer? Most women who develop breast cancer have no family history . of the disease, suggesting an environmental link. In a study, inherited factors, such as the BRCA1 or BRCA2 genes, accounted for only 27% of breast cancer risk. 2.

    • [PDF File]Cancer and the Environment - National Institute of ...

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      low rates of prostate and breast cancer and high rates of stomach cancer in their native countries, immigrate to the United States, their prostate and breast cancer rates rise over time until they are nearly equal to or greater than the higher levels of these cancers in the United States. Likewise, their rates of

    • [PDF File]Understanding Breast Changes - National Cancer Institute

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      breast changes are not cancer.” Table of Contents Introduction ... Mastitis causes the breast to look red and feel lumpy, warm, and tender. It may be caused by an infection and it is often treated with . antibiotics. Sometimes the . duct may need to be drained. If …

    • [PDF File]CDC National Health Report Highlights

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      with cancer in medical expenses and lost productivity caused by cancer each year of all deaths attributed to cancer 23% 580,000 deaths $263.8 BILLION people at-risk for colon cancer are not getting recommended screening women at-risk for breast cancer are not getting recommended screening women at-risk for cervical cancer are not getting ...

    • [PDF File]Hereditary Cancer Clinic BRCA1 Mutation Positive Guidelines

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      Breast Cancer Education § Breast self-awareness beginning at age 18 § Seek medical evaluation for changes in the breast § The majority of breast cancers in women with a BRCA1 mutation are “triple-negative” cancers, and these are more likely to require treatment with chemotherapy Surveillance

    • [PDF File]Breast Cancer Facts & Figures 2019-2020

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      Breast cancer typically has no symptoms when the tumor is small and most easily treated, which is why screening is important for early detection. The most common physical sign is a painless lump. Sometimes breast cancer spreads to underarm lymph nodes and causes a lump or swelling, even before the original breast tumor is large enough to be ...

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