She underwent bilateral mastectomy and left axillary sentinel lymph node biopsy with bilateral reconstruction. Pathology revealed a 1.3 cm, grade 3 invasive ductal carcinoma which was estrogen receptor negative (0%), progesterone receptor weakly positive (10%), and Her-2/neu negative (IHC Score 0). This evidence concerns the gene ERBB2 and invasive ductal breast carcinoma.