ERBB2 and breast cancer: [14] used 2D ultrasound and radiomics to build a diagnostic model for HER‐2‐low, HER‐2‐negative, and HER‐2‐positive status in breast cancer, with an AUC of 0.840 for the HER‐2‐negative/low group and 0.81 for the HER‐2‐negative/positive group.