I found this page which confirmed that there are many other people like me :

Also, according to the above website, it seems that at least one person has not only removed the embolization via laparoscopic surgery, but also had it filmed and put on youtube.¬† Difficult to understand if this person’s pain went away:

This is a peer-reviewed study which mentions that mentions notably “there have been case reports of renal loss as a result of coil migration” post-embolization¬† (my emphasis on the S) :