Tumor distinction was performed utilizing molecular subtypes, including ERBB2 + (ER −, PR −, HER2 +), triple-negative (ER −, PR −, HER2 −), Luminal-A (ER + and/or PR +, HER2 −), and Luminal-B (ER + and/or PR + , HER2 +). Here, ERBB2 is linked to neoplasm.