Radiation therapy for lung cancer uses powerful, high-energy x-rays or other particles to destroy cancer cells. Radiation may be given from outside the body or from radioactive substances placed directly inside the lung cancer tumor, which is known as an internal implant, which we discuss later in this blog. However, radiation therapy that uses external ways is the most commonly used. External radiation targets the lung cancer tumor and destroys the cancerous cells, specifically in that area of the lungs.
Source:- radiation therapy for lung cancer
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