RADIOTHERAPY.ZIP

Understanding Radiation Therapy for Brain Tumors   created at May 04, 2009   156   Radiation therapy for brain tumors uses high-energy radiation to kill cancer cells and shrink tumors.This can be delivered externally through a linear accelerator (external beam radiation therapy) or internally via implanted radioactive seeds (brachytherap...

Radiation Therapy for Colorectal Cancer   created at May 04, 2009   127   Radiation therapy (also called radiotherapy) is the use of high-energy rays to damage cancer cells and stop them from growing. Like surgery, radiation therapy is local therapy; it can affect cancer only in the treated area. Radiation is sometimes used befo...