Stereotactic radiosurgery (SRS) is a form of radiation therapy
that focuses high-power energy on a small area of the body.
Despite its name, radiosurgery is a treatment, not a surgical
procedure. Incisions (cuts) are not made on your body. More than
one system is used to perform radiosurgery. This article is
about radiosurgery using CyberKnife. During treatment you lie on
a table, which slides into a machine that delivers radiation. A
robotic arm controlled by a computer moves around you. It
focuses radiation exactly on the area being treated. You are not
put to sleep. The treatment does not cause pain. The nurses and
doctors can see you on cameras. They can hear you and talk with
you on microphones. Each treatment takes about 30 minutes to 2
hours. Some patients receive more than one treatment session,
but usually no more than five sessions. Why the Procedure Is
Performed SRS targets and treats an abnormal area without
damaging nearby healthy tissue. SRS is more likely to be
recommended for patients who are