[Comment] Beyond regional boundaries: crucial gaps in global breast cancer burden estimates

The Lancet Oncology Global Burden of Diseases, Injuries, and Risk Factors Study (GBD) study on global breast cancer burden provides comprehensive epidemiological trends from 1990 to 2023, with projections to 2050.1 According to this study, breast cancer was the most diagnosed cancer up until 2023.2 Although this ambitious undertaking addresses crucial needs in global oncology, several methodological concerns warrant attention…