Sullen Horror
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In the future, this may become commonplace, with implants for no good reason, other than 'they look cool.'
Already happening, it's called "bodymodding", though implants, piercings and tattoos are some kind of body mods, too. Some people already implant metallic stuff between the skin and muscles, so that the implant leaves prints.
Sullen Horror
There may be the odd person who will not do it, even if they have an arm lopped off, but there ya go.
That already happened more than once, there have been people who lost an arm and received new arms from dead people and returned them like "It just doesn't feel like mine."
Just to add some knowledge
wink