At present, the better hospitals in Xi 'an are Xijing Hospital, Tang Dou Hospital of the Fourth Military Medical University, the First Affiliated Hospital and the Second Affiliated Hospital of Jiaotong University. As for the hospital you asked, gamma knife surgery had better be really hard to judge. The main reason is that there are no evaluation data and standards for health systems and medical institutions. If you want to know the feasibility of gamma knife surgery and other details you need to know, you can go to the above hospitals for face-to-face consultation, and I believe you will get a satisfactory answer. Finally, I wish you a smooth medical treatment!