ERBB2 and neoplasm: In comparison, human epidermal growth factor 2 (HER2)–positive tumor NATs had significantly higher abundance of four genera (Acinetobacter, Pseudomonas, Stenotrophomonas, and Cutibacterium) as shown in Figure 3B1 and lower abundance of three genera (Glaciecola, Vibrio, and Photobacterium) compared with HER2-negative tissues (Figure 3B2).