Based on the success rates of salvage radiation, it seems that somewhere about
two-thirds of recurrences are local, but a lot depends on individual risk factors. You can get a feeling for your risk of recurrence off of a nomogram.
This one tells you what your risk of a recurrence is at 2, 5,7 & 10 yrs after RP:
www.mskcc.org/nomograms/prostate/post-opThis one tells you, if you have a recurrence, whether SRT is likely to be curative, indicating it was local only:
www.mskcc.org/nomograms/prostate/salvage-radiation-therapy- Allen