ArticleClinical and translational radiation oncology2026
Radiotherapy access in Latin America: Socio-economic determinants and equity challenges socio-economic determinants in Latin America for radiotherapy.
Article in Clinical and translational radiation oncology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Introduction: Radiotherapy (RT) is essential for cancer treatment, yet access in Latin America remains highly unequal due to socio-economic and systemic disparities. This study aims to identify and analyze the key socio-economic determinants influencing RT access, infrastructure, and workforce distribution across 11 Latin American countries. Methods: A comprehensive database was created using 29 demographic, economic, and healthcare-related variables from public sources and expert input. Countries included were Argentina, Bolivia, Brazil, Chile, Colombia, Ecuador, Mexico, Paraguay, Peru, Uruguay, and Venezuela. Variables were categorized under access, demand, and supply of RT services. Correlation analyses and linear/exponential regression models were applied in an exploratory way to evaluate relationships between socio-economic indicators and RT availability Results: Higher GDP per capita and adjusted GDP (PPP) correlated significantly with better RT infrastructure, including EBRT and megavoltage units (r > 0.68, p < 0.05). Urban population percentage strongly correlated with RT access (r = -0.77, p = 0.005), while social security coverage was linked to lower inhabitants per RT center (r = -0.67, p = 0.025). Notably, the number of radiation oncologists correlated perfectly with patients requiring EBRT (r = 1.0, p < 0.001), but showed no correlation with poverty or urbanization, highlighting workforce capacity constraints. Rural areas were underserved due to infrastructure centralization in urban zones. High out-of-pocket expenditure and low public health investment would be associated with limited access to these treatments. Conclusion: Socio-economic disparities-particularly GDP, healthcare coverage, and urbanization-are strongly associated with RT access inequities in Latin America. For the medical community and public policymakers, confirming these assumptions requires a different scope about discussions regarding access to these highly complex services, when they are not associated with the population's health needs but rather with the countries' mere organizational and financial capabilities. Some possible formats require the definition of new clinical and financial management models. Our findings underscore the need for targeted health policies, investment in infrastructure and workforce, and decentralized care models. Expanding RT services beyond urban centers and improving funding models are critical to ensuring equitable cancer treatment across the region.
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