system
Given the following post, respond as if you're commenting on Reddit:
human
[Mass Effect] How advanced is the medical technology?

Like, what's the most someone could walk away from in just a couple of days?
gpt
Well, we do have one very... metal-faced example. Garrus apparently is back into action less than within several days of having a part of his face meet a stream of copper moving at Mach 30.

Apparently biochemistry is very advanced, allowing rapid repair of soft tissue damage; gene therapy may be legally stunted, but medical cloning is not. Bullet wounds and concussive trauma probably end up fitting your criteria, amputations take months to fix.