Most Lung Cancer Patients Fall Through the Cracks of Current Screening—Here's What Needs to Change

A groundbreaking study of nearly 1,000 lung cancer patients at Northwestern Medicine found that only 35% would have qualified for screening under current U.S. guidelines, leaving two-thirds of patients—particularly women and never-smokers—without access to potentially life-saving early detection. The research highlights a critical gap in America's approach to screening for the nation's deadliest cancer.

Why Are So Many Patients Missing Out on Screening?

Current screening guidelines from the U.S. Preventive Services Task Force (USPSTF) recommend annual lung cancer screenings only for adults ages 50-80 who have a 20 pack-year smoking history—equivalent to one pack of cigarettes daily for 20 years—and currently smoke or quit within the past 15 years. This narrow criteria excludes many vulnerable populations who develop lung cancer despite not fitting the traditional smoker profile.

"We moved to universal age-based screening for breast and colon cancer with tremendous success, and we need to move to the same approach for lung cancer," said Dr. Ankit Bharat, chief of thoracic surgery and executive director of the Northwestern Medicine Canning Thoracic Institute.

What Would Universal Screening Look Like?

The Northwestern Medicine researchers, publishing their findings in JAMA Network Open, recommend expanding to universal age-based screening for adults ages 40-85. This broader approach could detect 94% of lung cancers and prevent more than 26,000 additional deaths annually, while remaining remarkably cost-effective with minimal risks from radiation exposure or biopsies.

The proposed screening uses low-dose computed tomography (CT) scans that take less than 10 seconds and don't require intravenous dyes, providing a complete picture of the chest cavity. What makes this approach unique is its ability to assess multiple health concerns simultaneously beyond just lung cancer.

Who Should Consider Getting Screened?

Northwestern Medicine's new Lung Health Center particularly encourages screening for individuals who may have sustained lung damage from various sources:

• COVID-19 Survivors: Those experiencing ongoing respiratory issues, especially people who've been reinfected with respiratory viruses
• Environmental Exposure: People exposed to wildfire smoke, industrial pollution, or high radon levels
• Family History: Individuals with family history of lung disease or pulmonary fibrosis
• Substance Exposure: Those exposed to secondhand smoke, vaping, or marijuana use
• High-Risk Demographics: Asian women and other demographics at elevated risk for lung conditions
• General Health Assessment: Anyone seeking a baseline chest health assessment

"We're seeing younger patients with respiratory problems from vaping, environmental exposures, and COVID-19 who would never qualify for traditional screening," said Dr. Scott Budinger, chief of pulmonary and critical care at the Canning Thoracic Institute.

The comprehensive screening can also detect coronary calcium deposits indicating cardiovascular risk and early signs of osteoporosis, making it particularly valuable for women's health. Nearly six years after the pandemic began, doctors are seeing increasing numbers of patients with lung scarring and fibrosis from COVID-19, with damage compounding after each reinfection.

Lung cancer remains America's deadliest cancer, claiming more lives than breast, colon, and prostate cancers combined, accounting for one in every five cancer deaths among both men and women. Nearly 80% of cases aren't discovered until advanced stages, largely because symptoms rarely appear until it's too late. The widespread misconception that only smokers develop lung cancer, combined with limited screening access for those without tobacco history, contributes to these devastating statistics.