Radiation therapy is the treatment of cancer, in which the high-energy X-rays are directed toward the body of a person to kill cancer cells and stop them from growing and multiplying. This therapy to deliver high doses of radiation so that the radiation is able to kill cancer cells and shrink tumors. The negative effect of this radiation is cancer can also damage normal cells, but at the same time the radiation is to kill cancer cells. They also damage normal cells. Doctors have the choice of giving people cancer radiotherapy or chemotherapy combined with the fight against cancer.
Cancer radiation therapy, may be administered in two ways. It can be administered internally or externally. When data is externally and internally through the skin is made by injection or a radioactive implant. An oncologist is a doctor who specializes in using radiation to treat cancer. The oncologist will work with other health professionals to decide on the type and dose of radiation to treat cancer better than anyone. People who have external radiation treatments are not usually need to stay in hospital overnight. Get small daily doses of radiation can protect normal cells against damage. Weekend help normal cells to recover from radiation. While the simulator is on, you should stay still so the radiation is directed to the right place in your body. external radiation are not radioactive, so after leaving the radiotherapy treatment room; you can have normal contact with everyone. Since cancer is a local radiation therapy are often side effects certainly appear in the treated area. The first effects of radiation can be seen a few days or weeks after starting treatment, and may continue for several weeks after treatment is completed. After the therapy you may experience that your skin in the treatment area may look red, irritated, swollen, blistered, sunburned or tanned. After a few weeks, your skin may become dry, flaky, itchy skin, or peel. Most skin reactions disappear a few weeks after treatment. In some cases, however, the treated skin becomes darker than before. These are normal reactions after undergoing treatment. Your doctor can help you in this regard. Hair loss can also be a radiation effect; other side effects are low white blood cell count in blood, vomiting, loss of appetite, these effects can limit your ability for a long time, but the good side of this is the cure of the disease.