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Careers contact us about us site map home treatments & technology locations patient information our physicians cancer information radiation therapy overview radiation therapy process frequently asked questions home :: treatments & technology :: radiation therapy :: overview radiation therapy overview what is radiation therapy? Radiation is a special type of energy carried by waves or a stream of particles. It can come from radioactive substances and special machines. whats best viagra or viagra There are many different levels of radiation energy. We have all been exposed to low levels of radiation energy, such as radiation from the sun or radiation used to make a chest x-ray or mammogram. viagra soft uk When radiation energy is used at high levels, it can treat cancer and other illnesses. The use of high-energy rays or particles to treat a disease is called radiation therapy. viagra pills canada cheap Cancer is a tumor, or an overgrowth of abnormal cells. viagra soft uk These cells grow by multiplying or dividing to rapidly make new tumor cells. generic viagra mg pills Their ability to multiply without limits, grow quickly, and invade surrounding normal tissues makes cancer cells different from normal cells. There are many different types of cancer, each of which is unique in how it grows and how it responds to treatment. viagra users by age One way to stop the cancer from growing is to interfere with the cancer cell’s ability to multiply. Radiation, used at high doses, causes changes in the cancer cell that stops the cell’s ability to multiply and eventually kills the cancer cell. Radiation therapy is one of four approaches to the treatment of cancer. The other three are surgery, chemotherapy, and biological therapy. buying viagra online without prescription Since each type of cancer is unique, research has helped physicians determine which treatment or combination of treatments is appropriate for each type of cancer. Radiation therapy may be used alone or in combination with surgery, chemotherapy, and/or biological therapy. It may be used in an attempt to cure the cancer or treat unpleasant symptoms the cancer is causing such as pain or bleeding. price of viagra 5 mg The most common types of cancer that radiation therapy is used for are brain tumors, head and neck cancers, lung cancer, breast cancer, prostate cancer, skin cancer, rectal cancer, cervix and uterine cancers, lymphoma, and sarcoma. How is radiation therapy given? viagra 5mg half life Radiation therapy for the treatment of cancer may be given in two different ways. buy viagra cheap External beam irradiation is the most common method. cheap generic viagra The radiation is delivered to a specific area of the body using a large machine similar to an x-ray machine. The treatment is given each day, monday through friday, for 1 to 8 weeks depending on the type of cancer and the purpose of the treatment. The treatment may be given once, twice, or as many as three time. viagra without a doctor prescription Tel. 95 585 22 31   Fax 95 585 49 85