Fractured femur/tibia. Healed. Now pain in leg swelling over tibia. Had bone scan/mri femur bone thin.3 dr's later no help. Pain mangment dr now. Help!

Leg pain. Check venous doppler for possible blood clots. I imagine you've also done rehab & modalities.
? Sorry to say but it looks as though you have had a good bit of work done checking this problem out and no good answer yet unfortunately I do not see much else to offer you as advice here.