Is the same for me, but is just part of the design, you can follow that line from the power button, same goes for the macro keys, there is some line that goes to the back under the screen. Nothing to worry about
This isn´t any problem with the deformation. It is normal in this models. It is a cable from somthing, i dont know. I only know that it is not good damage him, and, my laptop has the samething. Relax man, it is normal