Counties with More Medical Debt Saw Higher Late-Stage Rates of Seven Cancers, Including Lung and Colorectal, in Analysis

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Doaa Albaz / Middle East Images | AFP via Getty Images Share on Twitter Share on Facebook Share on Pocket A new national analysis found that U.S. counties with higher levels of medical debt had higher rates of seven cancers diagnosed at a late stage, when the disease has already spread. The study, published in JAMA Network Open on Oct. 1, showed the strongest link for lung cancer, followed by head and neck and colorectal cancers.

The findings show an association, not proof that debt causes later diagnoses. The researchers compared county-level data and could not tell whether the people who carried medical debt were the same people diagnosed with cancer.

For households, the concern is practical. Unpaid medical bills can lead people to skip checkups, screenings, or visits for new symptoms. The study adds population-wide evidence that communities carrying more medical debt also see more cancers found after they have spread, when treatment is harder.

The researchers studied 2,958 U.S. counties. They measured the share of residents with a credit record who had medical debt in collections in 2016 and compared it with cancer rates from 2017 through 2021, according to a News-Medical summary of the study.

For every 10-percentage-point increase in a county’s medical debt, the study found about 5.15 additional late-stage lung cancer cases per 100,000 person-years. The increases were smaller for other cancers: 0.92 for head and neck cancer, 0.69 for colorectal cancer, 0.59 for melanoma, 0.39 for cervical cancer, 0.38 for kidney cancer and 0.24 for bladder cancer.

Not every cancer followed that pattern. Late-stage breast cancer showed no significant association in the main analysis. Late-stage prostate cancer was lower in higher-debt counties, which the authors suggested may reflect less screening and diagnostic testing in those areas.

Medical debt was common. On average, 21.1% of county residents had medical debt in collections, ranging from 1.2% to 51.8%. In the most socially vulnerable quarter of counties, the average was 27.4%, compared with 13.9% in the least vulnerable quarter. Rural counties averaged slightly more medical debt than urban counties, 21.5% compared with 20.5%. The associations were generally similar for men and women, with somewhat larger effects among men.

The authors concluded that higher medical debt was associated with “higher incidence rates of late-stage and overall cancer across multiple cancer types.”

MedicalDaily previously reported that cancer patients in high medical debt counties were more likely to be diagnosed at stage four, based on an American Cancer Society study that followed individual patients in a national cancer database and also found worse survival.

The new study takes a different approach. Instead of following patients after diagnosis, it looked at how often late-stage cancers appeared across entire county populations and broke the results down by cancer type. Its eight authors include two American Cancer Society researchers who also worked on the earlier study. The first author is based at Sinai Hospital of Baltimore.

The two studies point in the same direction, but neither proves cause and effect. Both rely on county-level debt measures rather than the finances of individual patients.

The study is a cross-sectional ecological analysis, a design that can reveal patterns across places but cannot explain why they exist. Counties differ in income, access to doctors, and health behaviors such as smoking, and some of those factors could not be fully measured.

The researchers adjusted for social vulnerability, rural or urban status, primary care physician supply, state and county population size, and most results held in sensitivity analyses. Still, the study could not test whether reducing medical debt would lead to earlier diagnoses.

The debt data also predate major changes in credit reporting. In 2022 and 2023, the three major credit bureaus removed paid medical collections and balances under $500 from credit reports. The share of consumers with medical collections on their credit records fell from about 14% to about 5% between March 2022 and June 2023, according to the Consumer Financial Protection Bureau. A federal rule that would have barred most medical debt from credit reports was struck down by a federal judge in July 2025.

Residents of rural counties and socially vulnerable communities carry more medical debt, the data show, and may face the greatest risk of delayed diagnosis. Adults who are uninsured or underinsured, or who already have bills in collections, may hesitate to return for care even when symptoms appear.

Lung cancer stood out because it showed the largest difference. Adults ages 50 to 80 with a heavy smoking history who currently smoke or quit within the past 15 years may qualify for annual low-dose CT screening, and colorectal cancer screening is recommended for average-risk adults starting at age 45.

Readers should not delay care because of an unpaid bill. A persistent cough, coughing up blood, unexplained weight loss, rectal bleeding, changes in bowel habits or a lump that does not go away are reasons to contact a clinician. These symptoms often have other causes, but early evaluation matters.

People worried about cost can ask a hospital or clinic about financial assistance before or after care. Many nonprofit hospitals offer free or discounted care to eligible patients, and community health centers charge on a sliding scale based on income. Most health plans cover recommended cancer screenings without cost sharing.

The study does not show that debt causes late diagnoses, but it reinforces a simple step for families: do not let a past bill keep anyone from getting symptoms checked or screenings done.

What did the new study find? Counties with higher shares of residents in medical debt collections had higher rates of late-stage diagnoses for seven cancers, with the largest difference for lung cancer.

Which cancers were linked to medical debt? Late-stage lung, head and neck, colorectal, melanoma, cervical, kidney and bladder cancers were all higher in counties with more medical debt.

Does medical debt cause late-stage cancer? The study does not prove that. It found an association at the county level and could not confirm that people with debt were the same people diagnosed with cancer.

Were any cancers not linked? Late-stage breast cancer showed no significant association in the main analysis, and late-stage prostate cancer was lower in higher-debt counties, possibly reflecting less screening.

How is this different from earlier research? An earlier American Cancer Society study followed individual patients and found more stage four diagnoses and worse survival in high-debt counties. The new study measured late-stage rates across county populations by cancer type.

Who may be most affected? Residents of rural and socially vulnerable counties, where medical debt is more common, along with uninsured and underinsured adults.

What can people do if cost keeps them from care? Ask hospitals and clinics about financial assistance, use community health centers with sliding-scale fees, and check whether recommended screenings are covered without cost-sharing. Contact a clinician about persistent or unusual symptoms.