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Cancer treatment depends on the type of cancer, the stage of the cancer, age, health status, and additional personal characteristics.
There is often a combination of therapies and palliative care because there is still no single way How is cancer treated. Treatments are usually devided into categos:

• Surgeryrie
• Radiation
• Chemotherapy
• Immunotherapy
• hormone therapy (gene therapy).

Surgery is the oldest treatment used even when people didn’t know all about cancer. If a cancer has not metastasized, it is simple to understand How is cancer treated, it is possible to completely cure a patient by surgically removing the cancer from the body.

But after the disease has spread, however, it is nearly impossible to remove all of the cancer cells. Surgery may also be instrumental in helping to control symptoms of cancer.

Radiation treatment, also known as radiotherapy. How is cancer treated by the radiation? It destroys cancer by focusing high-energy rays on the cancer cells.

Radiotherapy utilizes high-energy gamma-rays that are emitted from metals such as radium or high-energy x-rays that are created in a special machine. In the past radiation treatments caused severe side-effects because the energy beams would damage normal, healthy tissue, but now the beams can be more accurately targeted.

Chemotherapy- another way of cancer curing – utilizes chemicals that interfere with the cell division process – damaging proteins or DNA – so that cancer cells will commit suicide. Chemotherapy is generally used to treat cancer that has spread or metastasized because the medicines travel throughout the entire body. It is a necessary for some forms of leukemia and lymphoma. The common side effects are hair loss, nausea, fatigue, and vomiting.

Immunotherapy makes the body’s immune system to fight with the cancer. It improves cancer-fighting abilities by stimulating the entire immune system, and it can be considered targeted if the treatment specifically tells the immune system to destroy cancer cells. Bone marrow transplantation (hematopoetic stem cell transplantation) can also be considered immunotherapy because the donor’s immune cells will often attack cancer cells that are present in the host.

When people studied all about cancer hormone way How is cancer treated was designed to alter hormone production in the body so that cancer cells stop growing or are killed completely. Breast cancer hormone therapies often focus on reducing estrogen levels and prostate cancer hormone therapies often focus on reducing testosterone levels. In addition, some leukemia and lymphoma cases can be treated with the hormone cortisone.

Gene therapy replaces damaged genes with ones that work. For example, researchers are trying to replace the damaged gene in DNA that signals cells to stop dividing with a copy of a working gene. Other gene-based therapies focus on further damaging cancer cell DNA to the point where the cell commits suicide. Gene therapy is a very young field and is still developing.

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