Hi Gregory,
Sorry to say, with the positive margins and your current PSA, I agree with your assessment that waiting for further treatment isn't an option.
I'm sure others more knowledgable than me will post their thoughts about what that treatment might be.
I'm amazed that you had PCa with such a low pre-surgery PSA score. You were fortunate to have a nodule detected by whom I assume is your GP. Particularly in light of the fact that your urologist couldn't feel it.
Best wishes with your future treatment.
Dave