A genomic duplication may help explain why esophageal adenocarcinoma is much more common in Caucasians and presents a potential target for prevention.

A new study suggests some Americans are more susceptible to esophageal cancer, and it’s linked to where they live. More research is needed to pinpoint the relationship.

Understanding who has the highest risk of rare cancers, including squamous cell esophageal cancer, suggests a potential for targeted screening recommendations.