Bobby Barnett, Medical Physicist will present information on two forms of external beam irradiation,: IMRT (Intensity Modulated Radiation Therapy), IGRT (Image-Guided Radiation Therapy) how they work and how the equipment operates.All Prostate Cancer Lecture Series courses are offered free to the public and begin with a light dinner at 5 p.m. followed by a lecture at 5:30 p.m. Classes are presented at the Radiotherapy Centers of Georgia Auditorium.For more information on the Prostate Cancer Lecture Series or to RSVP for a specific class, please call 404-633-5606, ext. 320.  Who should attend? Anyone diagnosed with prostate cancer, a family history and/or wanting to be informed on prostate cancer.  For more information on Radiotherapy Centers of Georgia and RC Cancer Centers, please visit www.rcog.com. How Intensity Image Guided Therapy Works 0.00