Ouch!
It sounds like you are watching that leg for a delayed reaction.
The left turner that got me back in the 80's mashed my left leg, shin and heel areas. about 2 or 3 weeks of limping and then alla sudden the leg started to swell up. apparently there was a small crack in my shin bone that got infected, and the first stages of gangrene was setting in

. The Dr wanted to cut 'er off just below the knee, the clown even took out his ball point pen and drew a line on my leg... (I'll never forget that one) but we waited and I took some antiboitics, that lucky for me, did the trick. That left foot was numb for over a year after that.
But like i mentioned, it sounds like you got a good eye on things, so it wont come to that.