Total of four silicone breast implants, surgery in 1988/1989, explant and replace with new implants? Suggestions?

I had silicone implant surgery in 1988, after 12 months I was not happy with the size so had further surgery but had two more implants inserted on top of the existing implants, I was told this would give a better result than one huge implant. If I had not tried to locate my plastic surgeon who has retired I still would have been ignorant about Breast Implant Illness and so many woman having explants. I now feel very anxious about my situation. Any suggestions would be appreciated.