A Patient Diagnosed with a Benign Brain Tumor Is Scheduled

A patient diagnosed with a benign brain tumor is scheduled for gamma knife surgery. How would the nurse explain this procedure?

A) "A radioactive seed or capsule will be implanted into the tumor."
B) "A robotic arm device will deliver multiple beams of radiation to the tumor."
C) "This is the traditional method of delivering radiation to a tumor."
D) "The gamma knife is a method of delivering a focused dose of radiation at your tumor."