In the same way, a separate study in Colombian women that included breast cancer patients from different health institutions around the country also reported a suggestive association between the IA ancestry and both HER2-enriched (OR =1.18; 95% CI, 0.50 - 2.67) and luminal B/HER2 subtypes (OR =1.61; 95% CI, 0.84 - 3.09), after adjusting for health institution, age at diagnosis, and clinical stage (59). This evidence concerns the gene ERBB2 and breast cancer.