EllieR7, This is a subcuticular (in the dermis) suture that was used to line up the skin edges. I cannot tell if this is a dissolvable suture, or a permanent kind that must be removed. Your surgeon's office can tell you which kind it is, and whether you should just pull a little and then cut off the end, versus pulling it all the way out. Or they may have you come in to have that done. There usually is another visible suture end at the other end of the incision, and it is like a train going through a tunnel, with the rest buried in between. This is not a serious problem, but will annoy you until you resolve the issue. I hppe that this helps.Best wishes, Tom DeWire, MD, FACS Richmond, VA