Among females, breast cancer is the most commonly diagnosed cancer in the world, according to the announcement of the American Cancer Society in September 2018. Statistics also show that the 5 - and 10 -year relative survival rates for invasive breast cancer are 90% and 83%, respectively. 62% of breast cancer cases are diagnosed at a localized stage (no metastasis to lymph nodes, nearby structures, or other organs outside the breast), for which the 5-year survival is 99%.
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Oncology – What Is It?
Oncology is the medical field that researches identifies and treats various types of cancer such as breast cancer, skin cancer, pancreatic cancer, colon cancer, and lung cancer. Oncology includes medical oncology in which the chemotherapy, hormone therapy, and other drugs are used, radiation oncology in which the radiation therapy is used, and surgical oncology in which the surgery and other procedures are used to treat cancer.
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Chemotherapy is an advanced cancer treatment in which several medications are used to kill cancer cells. There are many different types of chemotherapy medication, but the main principal of them doesn't change. They basically stop cancer cells reproducing and multiplying, which intercepts them from growing and spreading in the body.