http://www.lungusa.org/espanol/enfermedades-pulmonares/cancer-del-pulmon.html

The American Lung Association® is the oldest voluntary health organization in the United States, with a National Office and constituent and affiliate associations around the country. Founded in 1904 to fight tuberculosis, the American Lung Association® today fights lung disease in all its forms, with special emphasis on asthma, tobacco control and environmental health.