He did my first surgery in 2003. Unfortunately, I had to have some f/u surgeries, but Dr Choi did the best he could to care for me. He would always take time and listen to whatever has currently going on with me. The hardest part is when he had to admit that my issues were too much for him, so he sent me to be seen by doctors at U of M. Whereas even they said I was unoperable. I truly believe in Dr Sang Choi clarkston, MI). I was told he has retired and moved out of state. I TRUST HIM COMPLETELY