Original Investigation

Medicaid Expansion and Mortality Among Patients With Colorectal Cancer

JAMA Network Open 10.1001/jamanetworkopen.2026.34827

September 18, 2026 at 11:00 AM EDT

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This cohort study of adults with colorectal cancer found that Medicaid expansion was associated with improved survival. Observed shifts in stage at diagnosis and treatment use were consistent with but could not establish, given the available data, earlier detection and improved access to definitive care as mechanisms. Persistent heterogeneity across populations highlights the need for additional strategies to ensure equitable cancer outcomes.

Corresponding Author: Oluwasegun Akinyemi, MD, MSc, PhD, The Clive O. Callender Outcomes Research Center, Howard University College of Medicine, 2041 Georgia Ave NW, Ste 4002, Washington, DC 20060 (oluwasegun.akinyemi@Howard.edu).

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