FG, I am sorry to hear that you are still in pain. I hope the treatment does wonders for you. Was it from an injury?

I get pain in my shoulders, arm and neck, when I carry my pocketbook on my shoulder, or type too much. Vacuuming hurts it a lot too. I love to vacuum.
Now I use the Roomba Robot one, with remote control.

Mine is not frozen. Just unused muscles attached to the nerves. It hurts with overuse or light pressure.

I have heard how painful each movement is with a frozen shoulder. I hope you find an easy cure for that soon. Feel better.