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NRSG 3225
Breasts are the two mammary glands that mainly consist of nipples, areola, Cooper's ligaments, lobules, alveoli, mammary ducts, and lactiferous sinuses. Generally, breast cancer grows from the two locations: lobules which are milk producing glands, and ducts which are milk passages between the lobules and the nipples. Depending on the size, axillary node involvment, tumor differentiation, DNA content, estrogen and progesterone receptor status, breast cancer is divided into various types. Heare are three of the most common types of breast cancer.
1. Noninvasive Breast Cancer: is characterized as an early malignancy. If it is left untreated, it may progress to invasive cancer.
2. Paget's Disease: is characterized by a persistent lesion of the nipple and areola with or without a palpable mass.
3. Inflammatory Breast Cancer: is rare, but an aggressive and fast-growing cancer.
What causes breast cancer?
Actually. the cause of breast cancer is completely unknown. However, here are various risk factors related to the incidence of breast cancer:
1. Women Although men can have breast cancer, 99% of breast cancer is in women.
2. Age Older age is a greater risk than a younger age. According to Lewis et al. (2000), the incidence of breast cancer is dramatically increased after sixty years of age.
3. Family History Women who have any first degree relatives such as mother, sister, or daughter diagnosed with breast cancer premenopauselly, have three times greater risk of developing breast cancer than women who do not.
4. Oral Contraceptives
5. Estrogen Replacement therapy
6. High-fat Diet
7. Exposure to Radiation
8. Proliferative Abnormality such as atypical hyperplasia
9. Alcohol Intake
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