Dr. Kavanagh’s current research interests include laboratory studies of how to enhance the effectiveness of radiotherapy by blocking the action of macrophages that stimulate tumor regrowth after treatment, and he also has a special interest in Stereotactic Radiosurgery for Brain Tumors and Stereotactic Body Radiation Therapy for tumors elsewhere in the body.  His recent publication list includes numerous peer-reviewed papers and abstracts directly related to SBRT, and he is co-editor of the first textbook of SBRT.  He is involved in Health Policy decisions at the national level, serving on a Medicare Advisory Panel and is currently serving as the President of the American Society of Radiation Oncology (ASTRO).