Cancer is a disease that results from the uncontrolled and overactive division and production of cells within the body, which then go on to form tissue masses known as tumors. The tumor, or tissue mass, can be malignant or benign, and if it is malignant, it is classified as a cancer. With a malignant tumor, a process called metastasis can take place, and this is where the cells from the tumor are able to travel through the lymphatic systems and blood and create another cancer in a different part of the body.
The term metastasis is also given to secondary tumors that are growing in a different part of the body. Metastasis can only take place with malignant cancers, as a benign tumor remains localized and is therefore not classified as cancer.
Metastasis is a process that tends to take place in the more advanced stages of cancer more often than not, and common areas to be affected by the metastasis include the bones, the brain, and the liver, among other body parts and organs. The second tumor that stems from the first one is known as a metastatic tumor, and the cells in this second tumor will be the same as those in the tumor from which it originated.
A metastatic tumor can be treated in a number of ways, just like a primary tumor, and some of the forms of therapy and treatment that may be used once metastasis has occurred include radiation therapy, biological therapy, surgery, chemotherapy, hormone therapy, laser therapy, and more. There are a number of factors that will determine which of these treatments will be right for you, such as the location of the tumor, your age and health, your medical history, and other factors.
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