50 years ago, i had orchiopexy to fix (left) testi-torsion. years later i have serious pain in that test. when stretching. related? wht 2 do? docs in u.s. said (2004) after x-rays, not related. no treatment recommended. should i continue like this

Get it checked: I would recommend getting checked out, sir, especially because of the history of surgery on that side. A simple imaging test like ultrasound of both testes might reveal differences between them. You might also want to get checked for a hernia on the painful side. It's also possible that another torsion might be developing, God-forbid. Hope this helps!