This treatment involves the localized use of high-dose radiation (like x-rays) on malignant tumors. Usually, it is not a primary treatment but is used in conjunction with other therapies such as surgical resection and chemotherapy. It is generally used to reduce the size of the symptomatic tumor and help relieve symptoms like pain and shortness of breath.
Factors which can limit the application of this treatment include the volume of the tumor and how near it is to vital organs.
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