Lung cancer is the leading cause of death from cancer. It kills more people in the U.S. than breast, prostate, and colon cancer combined. When lung adenocarcinoma, the most common primary lung cancer in the U.

While smoking remains the leading risk factor, other contributors include secondhand smoke, air pollution, radon exposure and a family history of lung cancer.

If he had it to do all over again, Davey Bauer might have gotten a flu shot. For sure, he would have said no thank you to cigarettes and then vaping. Instead, Bauer has a story to tell about living for a day with no lungs on his way to a lifesaving double ...