3 years post op

[jefflc1314]

Im about 3 years post op at this time. I had some physical therapy after op involving mainly stretching and work outs. my left side still doesn't have feeling in the bottom half of my chest and the therapist told me once i put on some muscle the feeling will come back. I've put on some muscle over the past few years but still lack feeling on my left side. I dont know if this is due to having bad posture before my surgery but i can definitely tell my right side has better posture and has almost all feeling and looks much better then my left. Is their some kind of laser therapy to fix this or will adding muscle allow my nerves to connect bettering my posture on my left side? or is there just no way of gaining feeling at this point?