PRKCD and neoplasm: The results showed that the expression of PKCδ in tumor samples was higher than that in normal samples, and the difference was statistically significant (P < 0.001), with the median IHC Score of PKCδ in the normal group is 6 (6-8) and in the tumor group is 12 (8-12), analyzed by the Wilcoxon rank-sum test (Figure 1I).