Two thousand five hundred and forty-nine (52.1%) cases were HR-positive HER2-negative, 1,863 (38.1%) were triple negative breast cancer (TNBC), 263 (5.4%) were HR-positive, HER2-positive, and 220 (4.5%) were HR-negative, HER2-positive (Table 1). Here, ERBB2 is linked to triple-negative breast carcinoma.