Hello Billy,
Sorry to see the recurrence after treatments. Always a risk with the higher Gleasons unfortunately.
I was diagnosed G9 with a psa around 250 & have turned the ten year mark. Others here have done equally well.
I believe diet changes helped my case & if you look at my Profile you will see some of the changes. I'm convinced this has slowed progression .
Up to you whether you follow suit but once achieved, the changes are not that difficult. Eating out is more problematic but many eating places will adjust to requirements & if not - move elsewhere http://community.prostatecanceruk.org/editors/tiny_mce/plugins/emoticons/img/smiley-wink.gif.
HT can be a downer. Energy levels may fall but otherwise it is manageable. It is possible an intermittent approach may be used in the future to help with side effects.
I hope you don't feel the surgery/RT was wasted. You have de-bulked the primary tumour & some evidence suggests this to be advantageous.
Let us know how the next test goes.