Lung cancer is responsible for the most cancer deaths in both men and women throughout the world. The American Cancer Society estimates that 173,770 new cases of lung cancer in the U.S. will be diagnosed and 160,440 deaths due to lung cancer will occur in 2004.
What is radon?Radon is a cancer - causing radioactive gas. It comes from the breakdown of uranium, which is a natural part of soil and rock. It is most commonly found in soil, water, building materials (such as granite or shale), and natural gas. Radon cannot be detected by human senses because it is odorless, tasteless, and invisible.How does radon exposure occur?In closed or poorly vented spaces
Radiation therapy is the use of high-energy X-rays to kill cancer cells and shrink tumors. Radiation may come from a machine outside the body (external radiation therapy) or from putting materials that produce radiation (radioisotopes) into the body.
Most lung cancer is caused by smoking. About 87% of lung cancers are related to smoking. Cancer-causing substances (carcinogens) in tobacco smoke damage lung cells. Over time, these damaged cells may develop into lung cancer.