More encouraging news:
"Researchers report that about a quarter of localized prostate cancers may demonstrate these immunologic traits, suggesting that a substantial number of patients with prostate cancer may, in fact, benefit from immunotherapies.
....
The team is currently conducting a clinical trial to test the effect of a PD-1 inhibitor in prostate cancer patients that will allow them to gather evidence as to whether any of these findings in immunogenic prostate cancer translate into clinical responses in response to PD-1 inhibition."