Orthopedic Surgeons Shoulder Why Did My Orthopedic Surgeon Refer Me To A Pain Clinic?

Why did my orthopedic surgeon refer me to a pain clinic? - orthopedic surgeons shoulder

I'm the guy who (not to ask questions and I feel much more later), I said ok and B aligned right outta the gate. So here's the deal
I thoractic outlet syndrome
I have on my shoulder inpingment SS Y. radiliticis column (Type)
He said that because I have Fibro, believe that a pain clinic to be my best option because it believes that the operation would not need?
What a pain clinic?
and what can I expect?