External-beam radiation therapy (EBRT) is a treatment where radiation beams come from a source outside the body. Usually, it comes from a machine called a linear accelerator (also called a LINAC).

Radiation can be defined as energy traveling through space. There are two types of radiation, ionizing and non-ionizing, which are differentiated by how they interact with matter. Non-ionizing ...

The Radiopharmaceutical Therapy and Dosimetry Lab at Johns Hopkins Medicine, headed by George Sgouros, Ph.D., has been awarded a $15 million grant, to be dispersed over the next five years, from the ...

Radiation therapy uses high-energy rays to destroy cancerous cells. Doctors may recommend a combination of radiation therapy and chemotherapy to treat esophageal cancer. Radiation therapy uses ...