The stellate ganglion refers to the ganglion formed by the fusion of the inferior cervical and the first thoracic ganglion as they meet anterior to the vertebral body of C7. It is present in 80% of subjects. It usually lies on or above the neck of the first rib. Indications for Pain Syndrome: Complex regional pain syndrome type I and II Refractory angina Phantom limb pain Herpes zoster Shoulder/hand syndrome Angina