Figure 4

PCA3 RNA in situ hybridization in prostate cancer and adjacent high-grade prostatic intraepithelial neoplasia showing concordant positive (a, H&E; b, PCA3 RNA in situ hybridization; both at × 200 magnification) and negative (c, H&E; d, PCA3 RNA in situ hybridization; both at × 200 magnification) PCA3 status.