Kelle Brown turned devastating loss into a mission for earlier detection and patient advocacy. After losing her sister to diffuse gastric cancer and learning she carried the same CDH1 mutation, Kelle underwent a preventive gastrectomy that saved her life. Today, she mentors patients, advocates on Capitol Hill, and works to ensure others are diagnosed earlier and heard sooner.

While smoking remains the leading cause of lung cancer, tens of thousands of people who have never smoked are diagnosed each year. Learn about other risk factors—like radon, air pollution, and genetics—and how early detection can save lives.