PPIA and neoplasm: The results showed that IKBKB, LTBR, MIF, PPIA, PSME3, and SEMA4B were all more highly expressed in the tumor, as we expected, but PPARD staining was not detected in either tumor or normal tissues, and S100A6 was expressed in both normal and tumors and the expression level did not appear to be significantly different (Figure 7).