A meta-analysis of the TCGA PAAD cohort and seven microarray datasets (GSE28735, GSE62452, GSE79668, GSE71729, GSE57495, GSE78229, and GSE21501) showed that high ITGA3 expression level was a prognostic biomarker of PCa (HR = 1.38, 95% CI 1.26–1.51, p < 0.00001; Figure 4). The gene discussed is ITGA3; the disease is posterior cortical atrophy.