I had the same problem with L4-5 and found a wonderful doctor here in Springfield, Mo. He did a minimally invasive procedure and put cadaver bone and my bone marrow in the discs. He then put a metal frame around them to hold that and it will fuse together.
Because of the location of the discs I don’t have restricted movement. I have a scar an inch and a half long, was in surgery a little over an hour. Spent two days in the hospital and in two weeks I was walking a mile a day. I am not young either...76. Best thing I ever did!! No pain and it is wonderful after suffering for years.
That must have been a wonderful thing for you. I’m 80.