Reply to: Radiographic Progression With and Without Prostate-Specific Antigen Rise in Patients With Advanced Prostate...

Andrew J Armstrong¹, Arun A Azad¹, Fred Saad¹+4

• ¹Andrew J. Armstrong, MD, ScM, FACP, Division of Medical Oncology, Department of Medicine, Duke Cancer Institute Center for Prostate and Urologic Cancer, Duke University, Durham, NC; Arun A. Azad, MBBS, PhD; Department of Medical Oncology, Peter MacCallum Cancer Centre, Melbourne, Australia, Sir Peter MacCallum Department of Oncology, University of Melbourne, Parkville, Australia; Fred Saad, MD, University of Montreal Hospital Center, Montreal, QC, Canada; Maha Hussain, MD, FACP, FASCO, Robert H. Lurie Comprehensive Cancer Center, Northwestern University, Chicago, IL; Taro Iguchi, MD, PhD, Department of Urology, Kanazawa Medical University, Ishikawa, Japan; Arnulf Stenzl, MD, Department of Urology, University of Tübingen, Tübingen, Germany; and Cora N. Sternberg, MD, FACP, Englander Institute for Precision Medicine, Meyer Cancer Center, Weill Cornell Medicine, New York, NY.