Figure 5. Representative images of AKR1B10 immunohistochemistry staining in tissues. (A-B) represent negative staining (score: 0). (C-D) (score: 1), (E-F) (score: 2), (G-H) (score: 4) all represent weak staining. (I-J) (score: 6) and (K-L) (score: 8) represent strong staining. Scores 0 to 4 are categorized as low expression of AKR1B10, while scores 6 to 8 are considered as high expression.