Lung cancer is the leading cause of cancer deaths in both men and women in the United States. In 2017, the American Cancer Society estimates 155,000 deaths will be attributed to lung cancer. Lung cancer causes more deaths than the next three most common cancers combined — colon, breast and prostate — and is quickly surpassing breast cancer to become the leading cause of cancer deaths in women. Though smoking is the primary cause of lung cancer, additional offenders include genetic factors,…