frameless image-guided radiosurgery, we report the clinical outcomes of patients with brain
metastases who underwent frameless radiosurgery. METHODS AND MATERIALS: Between
2005 and 2006, 53 patients underwent frameless stereotactic radiosurgery using a linear
accelerator equipped with on-board image guidance for the treatment of 158 brain
metastases. The radiation doses were delivered in a single fraction (dose range, 12–22 Gy; …