To test whether Δ133TP53β mRNA levels have predictive value for prognosis, alone or in combination with immune cell infiltration data, TP53α, TP53β mRNA levels, T-cell counts, macrophage counts, Gleason score, total prostate specific antigen (PSA) and the University of California, San Francisco (UCSF) Cancer of the Prostate Risk Assessment (CAPRA) score26 were assessed for their ability to discriminate high- and low-risk patients by calculating a 10-fold cross-validated area under the curve (AUC). Here, KLK3 is linked to cancer.