Pulsed Radiofrequency of Shoulder Individual Nerves Versus Brachial Plexus in Management of Chronic Post Mastectomy Shoulder Pain

Patients will receive pulsed radiofrequency of brachial plexus with steroids injection.

Patients will receive shoulder individual nerves pulsed radiofrequency with steroids injection.

Patients will receive conservative treatment (paracetamol 1000 tid and pregabalin 75 mg bid; can be increased to 150 mg bid , oxycodone 10 mg oral every 12 hrs .