ERBB2 and breast cancer: Of these, 86 female patients (mean age 52 ± 13 years) were included in the final study sample, with 98 histologically proven BC lesions (mean size: 28.31 ± 16.8 mm), comprising 25 TN, 10 Luminal A, 51 Luminal B, and 12 HER2+ lesions.