Responses

yeah that happens fairly often, as long as you body's not rejecting the foreign object, if they can do harm by mooving it (for exemple if it's in your brain/cranium or near the spine) , they'll leave it in. although sometimes over the year it moves and can injure you (for exemple it migrates to your spine, paralyzing you)
Soohyuk collecting professors like pokemon.
Anyway I thought about the chapter with the paralyzed prisoner and it make me wonder how if soohyuk might able to walk when they take chip off his brain? Like shit like getting off baruda will cure his limped leg? It feels like something that the author would pull for last season