hi I'm Dr caran Jani clinical and radiation oncologist at manipal hospitals B pun let's talk about radiation therapy in the treatment of cancer radiation therapy involves treatment of cancer cells with high energy x-rays or photons and sometimes particles like electrons and proton Rays these rays are delivered with high Precision using modern linear accelerators and robust planning typical Curative treatments of radiation involves multiple sessions usually five sessions a week for 5 to 7 days with highly precise technology stereotactic radiation can be delivered in 1 to three sessions uh involving the full Curative doses I hope this adds to your existing knowledge thank you