The 15th Annual International Symposium on Stereotactic Body Radiation Therapy (SBRT) and Stereotactic Radiosurgery (SRS) in Lake Buena Vista, Florida, will bring together world leaders in brain-, spine- and body-targeted stereotactic radiation modalities and techniques. Faculty and participants will have three days to discuss advances in the treatment of benign and malignant tumors involving multiple organ sites. A broad range of organ-specific technical and clinical experience will be presented with opportunities to interact with faculty and system vendors. Scientific abstracts will be solicited from attendees for poster presentation sessions.