More Nerves

Not sure what's going on the last couple of weeks, but there's something going on with  the nerves in my right foot.  This is my operated side. I'm trying to figure out if the nerves are still coming back and the activity is picking up, or if the nerves are fading and numbness is setting in.  Sounds dumb, I know, but I really can't tell.  There's a tingling numb feeling in the arch of my right foot that comes and goes.  But I don't remember what it felt like before--if it was just completely numb and I never realized it or if it was normal and now something is going on.  I can tell that the nerves in my thigh have gradually improved, although still not perfect.  It's been almost 4 years since my RPAO, and I'm probably due for a check up (I think I stopped going after my 1 year check up.)