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SRS Use in Lung Cancer Brain Metastases: Who Gets Treated?

USASaturday, May 16, 2026

Patients with brain spread from lung cancer often need radiation. A precise form called stereotactic radiosurgery can treat a few spots instead of the whole brain, but not everyone receives it.


Key Findings

  • Disparities by Age, Income, and Insurance
    Older patients and those with lower incomes are less likely to be offered the targeted therapy.

  • Data Source
    National records covering adults across the United States diagnosed with brain lesions from lung cancer.

  • Comparison
    Researchers compared the numbers of people receiving stereotactic radiosurgery to those who received traditional whole‑brain radiation.

  • Persistent Gap
    Even after adjusting for tumor size and overall health, people with better insurance coverage and higher household earnings receive the newer, less invasive option more often.

Path Forward

  1. Policy Changes
    Make advanced treatments more accessible, regardless of socioeconomic status.

  2. Clinician Reflection
    Examine referral patterns and ensure every eligible patient is informed about all available options.

  3. Future Research
    Track outcomes over time to see if narrowing these gaps improves survival and patient satisfaction across all communities.


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