Primary Zonal High Intensity Focused Ultrasound for Prostate Cancer: Results of a Prospective Phase IIa Feasibility Study

Table 4

Actuarial biochemical results.

Biochemical progression free survival rate*, %; (total number at risk = 29)
1-year	100
2-year	89
3-year	82.7

∗Phoenix definition (nadir +2 ng/mL).