这一方法仍在研究中，但目前的结果颇令人鼓舞：参与积极监督措施的男性因与前列腺癌无关原因而死亡的可能性要高14倍。
Only when signs indicate that the cancer is becoming dangerous is treatment initiated. While this approach is still being studied, the results so far appear promising: men who participate in active surveillance programs are 14 times more likely to die of a cause unrelated to prostate cancer.