Racial and Ethnic Disparities Along the Treatment Cascade Among Medicare Fee-for-Service Beneficiaries With Metastatic Breast, Colorectal, Lung, and Prostate Cancers

Care delivery and policy interventions intended to narrow racial and ethnic overall survival disparities in Medicare patients with metastatic cancer should target disparities in not receiving first-line systemic therapy and address the unique needs of beneficiaries with low-income subsidy status or dual eligibility.