ERBB2 and invasive ductal breast carcinoma: Invasive ductal carcinoma (IDC): Tepidiphilus, Alkanindiges, and Stenotrophomonas; Invasive lobular carcinoma (ILC): Peptostreptococcus, Micromonospora, Faecalibacterium, and Stenotrophomonas; HER2 + tumors: Cloacibacterium, PRD01a011B, Alloprevotella, Stakelama, Filibacter, Blastomonas, Anaerostipes Triple-negative breast cancer (TNBC): Azomonas