Fig. 1From: Stereotactic radiosurgery of benign brain tumors in elderly patients: evaluation of outcome and toxicitya Comparison of the LINAC (a) and the Cyberknife (b) setting. The relevant components are marked with numbers: (1) linear accelerator (2) stereotactic frame used in LINAC SRS for head fixation. (3) positioning laser (4) X-ray camera (5) mobile patient couchBack to article page