Start with a military doctor
"Can this be cured?"
"Yes, at most one leg off."
"Can this heart failure be cured?"
"Yes, change the artificial heart."
"This is ....."
"It can be cured, and if your heart doesn't beat, it can give you until the end of your life."
"This...."
"Yes, the parts are not guaranteed to be complete."
Techniques that others dare not think, he dares to think.
Surgery that others dare not do, he will do it.
The technique is rough, the stitches are ugly, the fuss is made, the action is rude...
But he just can save lives!
"The battle position of the military doctor is right where the country needs it!"