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(A) Kaplan–Meier estimates by treatment. (B) Kaplan–Meier estimates by treatment and risk group. Credit line: Scher HI, et al. Circulating tumor cell biomarker panel as an individual-level surrogate for survival in metastatic castration-resistant prostate cancer. J Clin Oncol 2015 Apr 20; 33(12): 1348–1355. Reprinted with permission. © 2015 American Society of Clinical Oncology. All rights reserved.
