CHRISTUS Trinity Mother Frances Health System is offering free CT lung cancer screenings to qualified patients.

This lung cancer awareness month, Dr. Tashfeen Mahmood is encouraging people to get screened, and while early stage lung cancer usually carries no symptoms, Mahmood says to remember the 20-50-15 rule.

Ballad Health is offering free lung cancer screenings to eligible people in recognition of Lung Cancer Awareness Month.

Lung cancer is the leading cause of cancer deaths in the U.S. — that's why screening and research are so important.