[Editorial] Lung cancer: despite advances, prevention is still best (Lancet)

Aug 1, 2016, marked World Lung Cancer Day. Lung cancer is one of the most common cancers in the world, with 1·8 million people diagnosed each year. While smoking is decreasing in high-income countries, smoking rates are rising in low-and-middle-income countries, and thus lung cancer incidence is predicted to increase globally. However, great advances have been made in the prevention, detection, and treatment of lung cancer, and so despite these grim predictions, there is cause for optimism.