Still, if the screen can stratify patients by the likelihood of their cancer coming back, they might be more comfortable deciding whether to begin chemotherapy.

尽管如此，如果该检测方法可以依照癌症复发的概率将患者分类的话，人们还是会在接受化疗与否的抉择上更放心一些。

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By combining the Gleason score (determined by a pathologist examining cancer cells under a microscope), the clinical stage (determined by a careful prostate exam and various scans) and the PSA level, we can stratify patients into "low, " "intermediate" and "high" risk categories.

WSJ: Are PSA Tests a Good Idea for Screening Men for Prostate Cancer?