Dr. P K Julka, Senior Director, Oncology Daycare Center, Lajpat Nagar, New Delhi, will discuss the advances in cancer radiation in this video. There are many advances in radiation therapy. In earlier times, radiation was given by cobalt therapy. Nowadays, there are linear accelerators. Instead of gamma radiation, there are X-rays. He will further talk about image guided intensity modulated IMRT, IGRT and tomotherapy.