So you're 60. You've still got quite a while to ride the escalator if you don't get off. I like the idea of doing something to salvage the "curative intent" of your surgery.
you said...
Med Oncologist in Boston ... said I should do SRT within a year or a few years from now I'd probably be put on hormones.
If I were you and I believed her that would be something of a clincher for me. I've had surgery, radiation and hormones and, of the three, it's the hormones I am the least fond of.
Actually, part of the reason I let my doctors talk me into doing HT now was to reduce the odds that I will have to do it later. My current Androgen Blockade is temporary -- 24 months to help the radiation kill the cancer cells. I know when my last shot will be... I count the days. If they put me on HT later because of a recurrence then there will be no last shot to look forward to. That would be hard to wrap my head around. Two years is hard enough.
But that's just me. Your mileage may vary.