Figure 8. Immunohistochemistry of the four prognostic genes based on the Human Protein Atlas. (A) IHC staining of ALDH2 in normal tissue. (B) IHC staining of ALDH2 in tumor tissue. (C) IHC staining of PRKACB in normal tissue. (D) IHC staining of PRKACB in tumor tissue. (E) IHC staining of STMN1 in normal tissue. (F) IHC staining of STMN1 in tumor tissue. (G) IHC staining of ZNF292 in normal tissue. (H) IHC staining of ZNF292 in tumor tissue.