Having my wounds tab say Deep Cut Left Arm 13 and being able to apply gauze to my left arm slot at the same time I treat a Fell Slash in my torso would make wound treatment faster and with more flavor.
Speaking of flavor: Scars.
Having a button bellow my wounds window that show a log of the nastier wounds you suffered, where it is and what or who caused it. Quite dwarf fortress-ish.
A full log of sword, axe and bear claw scars would always be impressive.
And if you don't think scars would make a difference, remember him: