Have you considered therapeutic massage? TOS is usually caused by compression of the brachial plexus nerves by one or more hypertense muscles, namely the scalenes (3 of them), coracobrachialis and or pectoralis minor; when these muscles become "locked up" due to trigger points, they can compress the nerves between muscle and bone. Before you think of surgery, see a massage therapists certified in neuromuscular therapy (NMT). Stretching alone ( a la PT) may not be sufficient. Incidentally, carpal tunnel symptoms may be caused by TOS and not a problem in the wrist.