The mean age at diagnosis was 71.5, 73.3 and 73.3 years in men with Gleason score tumours of 3 + 5, 4 + 4 and 5 + 3, respectively, while the median PSA values were 12, 23 and 23 ng/ml in men with Gleason scores of 3 + 5, 4 + 4 and 5 + 3, respectively. The gene discussed is KLK3; the disease is neoplasm.