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Research finds racially and economically segregated communities increase advanced-stage breast and cervical diagnoses

In a new study released on July 23, ACS scientists found that people living in racially and economically segregated neighborhoods in New York City (NYC) were more likely to be diagnosed with advanced-stage breast and cervical cancer. Colorectal cancer was studied, but no disparities were found. This study is the first to use census-tract data—the most granular geographic level available from cancer registries—to examine how racialized economic segregation influences advanced-stage diagnoses of all three major screenable cancers at once. The findings are published in the Journal of the National Cancer Institute (JNCI).​​​

“Our research shows that structural barriers in segregated neighborhoods continue to delay diagnosis for breast and cervical cancers—even among individuals eligible for screening,” said Dr. Qinran Liu, post-doctoral fellow, cancer disparities research at ACS, and lead author of the study. “But there is positive news. We found no disparities in stage at diagnosis for colorectal cancer. This may in part reflect the impact of local equity-focused initiatives for early detection of colorectal cancer in NYC. However, the results for colorectal cancer may not be applicable to other areas, especially those without such early detection initiatives.”

“Our findings have direct implications for cancer prevention and early detection efforts by identifying neighborhoods with the greatest disparities in stage at diagnosis,” Dr. Liu added. “This information can inform targeted resource allocation and guide interventions such as patient navigation services and investments in healthcare infrastructure—strategies that can facilitate earlier diagnosis with the goal of improving outcomes.”

“This study underscores the role of demographic data in identifying disparities in cancer risk, incidence, diagnosis, and outcomes, and helping inform tailored strategies and outreach efforts to address these disparities,” said Lisa A. Lacasse, president of ACS’s advocacy affiliate ACS CAN. “Policies that ensure the timely collection and reporting of complete and accurate demographic data, along with policies that increase access to timely, affordable care, are key to saving lives. Protecting federal funding for the National Center for Chronic Disease Prevention and Health Promotion and the Division of Cancer Prevention and Control at the Centers for Disease Control and Prevention is essential to ensure the continuation of lifesaving programs that provide millions of cancer screenings, support state cancer registries, and deliver critical prevention, early detection and survivorship services to communities across the country.”

Other ACS researchers contributing to the study include Dr. Daniel WieseDr. Jordan Baeker BispoDr. Ahmedin Jemal, and senior author Dr. Farhad Islami.

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