Click on this link to see a map of the worldwide lung cancer centers.
http://maps.google.com/maps?q=lung+cancer+symptoms&ie=UTF8&hl=en&sll=-66.089364,-32.255859&sspn=170.806164,360&rq=1&ev=zo&filter=0&ll=-66.089364,-32.255859&spn=170.806164,360&z=1