According to the Mayo Clinic, Lung cancer is the leading cause of cancer deaths worldwide. Bonnie Addario was diagnosed with stage 3B lung cancer at age 55, when she was at the top of her game and leading one of the largest privately held oil companies in the United States. Bonnie talks about her journey with lung cancer and her new book, "THE LIVING ROOM- A LUNG CANCER COMMUNITY OF COURAGE," by Bonnie J. Addario with Jon Land. Bonnie is joined by Gina Hollenbeck, a nurse that runs marathons having never smoked a cigarette but is living with stage 4 lung cancer. Bonnie also created GO-2 Foundation for Lung Cancer, the largest lung cancer organization in the United States.