Original ResearchPublished 31 August 2026Slice-level vs. volumetric radiomics for molecular subtyping of breast cancer: impact of patient-level data partitioning on model performanceLaila El Jiani · Zouheir Banou · Fatima Zahra Alaoui · Hasnae Sakhi · El Habib Benlahmar · Sanaa El FilaliFrontiers in Radiologydoi 10.3389/fradi.2026.1915426