ERBB2 and triple-negative breast carcinoma: We also combined HR+/HER2– and HR+/HER2+ to be HR+ (72 patients, 46.2%), triple-negative breast cancer (TNBC) and HR–/HER2+ to be HR– (72 patients, 53.8%), and HR–/HER2+ and HR+/HER2+ to be HER2+ subtypes (43 patients, 27.6%) during the IBC analysis.