American Shared Hospital Services provides turnkey technology solutions for advanced radiosurgical and radiation therapy services. AMS is a world leader in providing Gamma Knife radiosurgery equipment, a non-invasive treatment for malignant and benign brain tumors, vascular malformations, and trigeminal neuralgia (facial pain). The Company also offers proton therapy, and the latest IGRT, IMRT and MR/LINAC systems.