Age and lung cancer risk
Advancing age increases cancer risk, including that for lung cancer. The median age for a diagnosis of lung cancer is around 70.
Learn about age, cancer and lung cancer
Aging and Cancer (ASCO's Cancer.Net)
Ukraintseva SV, Yashin AI. 2003. Individual Aging and Cancer Risk: How are they related?. Demographic Research 9(8):163-196.
Lung cancer risk by age (U.S. Centers for Disease Control and Prevention)