RT Journal Article SR Electronic T1 Pembrolizumab Monotherapy Is Active in Metastatic Prostate Cancer JF Cancer Discovery JO Cancer Discov FD American Association for Cancer Research SP 15 OP 15 DO 10.1158/2159-8290.CD-RW2019-181 VO 10 IS 1 YR 2020 UL http://cancerdiscovery.aacrjournals.org/content/10/1/15.1.abstract AB In patients with metastatic castration-resistant prostate cancer, pembrolizumab showed efficacy.